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Pope Sixtus IV

 

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Pope Sixtus IV



 
 
Pope Sixtus IV (July 21, 1414 – August 12, 1484), born Francesco della Rovere
Della Rovere

Della Rovere is a noble historical family of Italy. Coming from modest beginnings in Savona, Liguria, the family rose to prominence through nepotism and ambitious marriages arranged by two Della Rovere popes, Francesco della Rovere, who ruled as Pope Sixtus IV and his nephew Giuliano ....
, was Pope
Pope

The Pope is the Bishop of Rome, the leader of the Roman Catholic Church and head of state of Vatican City. The current pope is Pope Benedict XVI, who was elected April 19, 2005 in Papal conclave, 2005....
 from 1471 to 1484. He founded the Sistine Chapel
Sistine Chapel

Sistine Chapel is the best-known chapel in the Apostolic Palace, the official residence of the Pope in Vatican City. Its fame rests on its architecture, evocative of Solomon's Temple of the Old Testament and on its decoration which has been frescoed throughout by the greatest Renaissance artists including Michelangelo, Raphael, Bernini, and...
 where the team of artists he brought together introduced the Early Renaissance
Renaissance

The Renaissance was a cultural movement that spanned roughly the 14th to the 17th century, beginning in Italy in the late Middle Ages and later spreading to the rest of Europe....
 to Rome with the first masterpiece of the city's new artistic age.

as born to a modest family near Savona
Savona

File:Savona-IMG 1526.JPGSavona is a seaport and comune in the northern Italy region of Liguria, capital of the Province of Savona, in the Riviera di Ponente on the Mediterranean Sea....
, Liguria
Liguria

Liguria is a coastal Regions of Italy of north-western Italy, the third smallest of the Italian regions. Its capital is Genoa. It is a popular region with tourists for its beautiful beaches, picturesque little towns, and food....
, Italy
Italy

Italy , officially the Italian Republic , is a country located on the Italian Peninsula in Southern Europe and on the two largest islands in the Mediterranean Sea, Sicily and Sardinia....
: the precise town is variously stated to be Albisola or, more often, Celle Ligure
Celle Ligure

Celle Ligure is a comune in the Province of Savona in the Italy region Liguria, located about 30 km west of Genoa and about 8 km northeast of Savona....
, a town near Savona
Savona

File:Savona-IMG 1526.JPGSavona is a seaport and comune in the northern Italy region of Liguria, capital of the Province of Savona, in the Riviera di Ponente on the Mediterranean Sea....
 in the Republic of Genoa
Genoa

Genoa is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria. The city has a population of about 610,000 and the urban area has a population of about 900,000....
.






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Pope Sixtus IV (July 21, 1414 – August 12, 1484), born Francesco della Rovere
Della Rovere

Della Rovere is a noble historical family of Italy. Coming from modest beginnings in Savona, Liguria, the family rose to prominence through nepotism and ambitious marriages arranged by two Della Rovere popes, Francesco della Rovere, who ruled as Pope Sixtus IV and his nephew Giuliano ....
, was Pope
Pope

The Pope is the Bishop of Rome, the leader of the Roman Catholic Church and head of state of Vatican City. The current pope is Pope Benedict XVI, who was elected April 19, 2005 in Papal conclave, 2005....
 from 1471 to 1484. He founded the Sistine Chapel
Sistine Chapel

Sistine Chapel is the best-known chapel in the Apostolic Palace, the official residence of the Pope in Vatican City. Its fame rests on its architecture, evocative of Solomon's Temple of the Old Testament and on its decoration which has been frescoed throughout by the greatest Renaissance artists including Michelangelo, Raphael, Bernini, and...
 where the team of artists he brought together introduced the Early Renaissance
Renaissance

The Renaissance was a cultural movement that spanned roughly the 14th to the 17th century, beginning in Italy in the late Middle Ages and later spreading to the rest of Europe....
 to Rome with the first masterpiece of the city's new artistic age.

Biography

He was born to a modest family near Savona
Savona

File:Savona-IMG 1526.JPGSavona is a seaport and comune in the northern Italy region of Liguria, capital of the Province of Savona, in the Riviera di Ponente on the Mediterranean Sea....
, Liguria
Liguria

Liguria is a coastal Regions of Italy of north-western Italy, the third smallest of the Italian regions. Its capital is Genoa. It is a popular region with tourists for its beautiful beaches, picturesque little towns, and food....
, Italy
Italy

Italy , officially the Italian Republic , is a country located on the Italian Peninsula in Southern Europe and on the two largest islands in the Mediterranean Sea, Sicily and Sardinia....
: the precise town is variously stated to be Albisola or, more often, Celle Ligure
Celle Ligure

Celle Ligure is a comune in the Province of Savona in the Italy region Liguria, located about 30 km west of Genoa and about 8 km northeast of Savona....
, a town near Savona
Savona

File:Savona-IMG 1526.JPGSavona is a seaport and comune in the northern Italy region of Liguria, capital of the Province of Savona, in the Riviera di Ponente on the Mediterranean Sea....
 in the Republic of Genoa
Genoa

Genoa is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria. The city has a population of about 610,000 and the urban area has a population of about 900,000....
. He joined the Franciscan Order
Franciscan

The term Franciscan is commonly used to refer to members of Catholic religious orders that follow a body of regulations known as "The rule of St....
, an unlikely choice for a political career, and his intellectual qualities were revealed while he was studying philosophy
Philosophy

Philosophy is the study of general problems concerning matters such as existence, knowledge, truth, beauty, justice, validity, mind, and language....
 and theology
Theology

Theology is the study of the existence or attributes of a deity or gods, or more generally the study of religion or spirituality. It is sometimes contrasted with religious studies: theology is understood as the study of religion from an internal perspective , and religious studies as the study of religion from an external perspective....
 at the University of Pavia
University of Pavia

The University of Pavia is a university located in Pavia, Lombardy, Italy. It was founded in 1361 and is organized in 9 Faculties....
. He went on to lecture at many eminent Italian universities. He was elected Minister General of the Franciscan order in 1464. In 1467, he was made a Cardinal
Cardinal (Catholicism)

A cardinal is a senior Ecclesiology official, usually a Bishop , of the Catholic Church. They are collectively known as the College of Cardinals, which as a body elects a new pope....
 by Pope Paul II
Pope Paul II

Pope Paul II , born Pietro Barbo, was Pope from 1464 until his death in 1471....
 (1464–1471).

With his election to pope, Sixtus IV declared a renewed crusade against the Ottoman Turks
Ottoman Turks

The Ottoman Turks were the subdivision of the Ottoman Muslim Millet that dominated the ruling class of the Ottoman Empire. Reliable information about the early history of the Ottomans is scarce....
 in Smyrna
Smyrna

Smyrna is an ancient city in Izmir in Turkey. Located at a central and strategic point on the Aegean Sea coast of Anatolia and aided by its advantageous port conditions, its ease of defence and its good inland connections, Smyrna rose to prominence before the Classical Era....
. Fund-raising for the crusade was more successful than the half-hearted attempts to storm Smyrna, with little to show in return. Some fruitless attempts were made in unification with the Greek Church
Eastern Orthodox Church

The Eastern Orthodox Church is the second largest single Christian communion in the world with an estimated 225 million members worldwide. It is considered by its adherents to be the Four Marks of the Church established by Jesus Christ and his Apostles nearly 2000 years ago....
. For the remainder of his pontificate he turned to temporal issues and dynastic considerations. Sixtus continued the dispute with Louis XI of France
Louis XI of France

Louis XI , called the Prudent and the Universal Spider or the Spider King, was the List of French monarchs from 1461 to 1483....
 (1461–1483), who upheld the Pragmatic Sanction of Bourges
Pragmatic Sanction of Bourges

The Pragmatic Sanction of Bourges, issued by King Charles VII of France, on July 7, 1438, required a General Church Council, with authority superior to that of the pope, to be held every ten years, required election rather than appointment to ecclesiastical offices, prohibited the pope from bestowing, and profiting from, benefices, and limite...
 (1438), according to which papal decrees needed royal assent before they could be promulgated in France. This was a cornerstone of the privileges claimed for the Gallican Church
Gallican Church

The term Gallican Church usually refers to the Roman Catholic Church in France from the time of the Declaration of the Clergy of France to that of the Civil Constitution of the Clergy during the French Revolution....
 and could never be shifted as long as Louis XI maneuvered to replace Ferdinand I of Naples
Ferdinand I of Naples

Ferdinand I , also called Don Ferrante, was the Monarchs of Naples and Sicily from 1458 to 1494. He was the natural son of Alfonso V of Aragon by Giraldona Carlino....
 with a French prince, thus being in conflict with the papacy, which as a princely strategist could not permit it.

Like a number of Popes, Sixtus IV adhered to the system of nepotism
Nepotism

Nepotism is the showing of favoritism toward relatives or friends based upon that relationship, rather than on an objective evaluation of ability or suitability....
. In the fresco by Melozzo da Forlė
Melozzo da Forlė

Melozzo da Forl? , was an Italy Renaissance painter near the Umbrian school, the first who practised foreshortening with much success and one of the most outstanding fresco painters of the 15th century....
 he is accompanied by his Della Rovere
Della Rovere

Della Rovere is a noble historical family of Italy. Coming from modest beginnings in Savona, Liguria, the family rose to prominence through nepotism and ambitious marriages arranged by two Della Rovere popes, Francesco della Rovere, who ruled as Pope Sixtus IV and his nephew Giuliano ....
 and Riario
Riario

Riario was an Italian noble family from Genoa. Its member included three famous nephews of Francesco della Rovere, who reigned as Pope Sixtus IV....
 nephews, not all of whom were made cardinals: the protonotary apostolic
Protonotary apostolic

In the Roman Catholic Church, protonotary apostolic is the title for a member of the highest non-episcopal college of prelates in the Roman Curia or, outside of Rome, an honorary prelate on whom the pope has conferred this title and its special privileges....
 Raffaele Riario
Raffaele Riario

Raffaele Sansoni Galeoti Riario was an Italy Cardinal of the Renaissance, mainly known as the constructor of the Palazzo della Cancelleria and the one who invited Michelangelo to Rome....
 (on his right), the future Pope Julius II (1503–1513) standing before him, and Girolamo Riario
Girolamo Riario

Girolamo Riario was Lord of Imola and Forl? in the 15th century....
 and Giovanni della Rovere behind the kneeling Platina
Bartolomeo Platina

Bartolomeo Platina, originally named Sacchi, .He first enlisted as a soldier, and was then appointed tutor to the sons of the Ludovico II of Gonzaga....
, author of the first humanist
Humanism

Humanism is a broad category of ethics that affirm the dignity and worth of all people, based on the ability to determine right and wrong by appealing to universal human qualities, particularly rationalism, without resorting to the supernatural or alleged divine authority from religious texts....
 history of the Popes. His nephew Pietro Riario
Pietro Riario

Pietro Riario , was an Italian cardinal and Papal diplomat....
 also benefited of his nepotism, becoming one of the richest men in Rome and being entrusted of Sixtus IV's foreign policy, but died prematurely in 1474, his role passing to Giuliano della Rovere.

The secular fortunes of the Della Rovere began when Sixtus invested his nephew Giovanni with the signoria of Senigallia
Senigallia

Senigallia or Sinigaglia is a comune and port town on Italy's Adriatic coast, 25 km by rail north of Ancona, in the Marche region, province of Ancona....
 and arranged his marriage to the daughter of Federico III da Montefeltro, duke of Urbino; from the union came a line of Della Rovere dukes of Urbino that lasted until the line expired, in 1631.

In his territorial aggrandizement of the Papal States
Papal States

The Papal States, State of the Church or Pontifical States were one of the major historical states of Italy from roughly the 6th century until the Italian peninsula was unified in 1861 by the Kingdom of Piedmont-Sardinia ....
 Sixtus IV's niece's son Cardinal Raffaele Riario
Raffaele Riario

Raffaele Sansoni Galeoti Riario was an Italy Cardinal of the Renaissance, mainly known as the constructor of the Palazzo della Cancelleria and the one who invited Michelangelo to Rome....
, for whom the Palazzo della Cancelleria
Palazzo della Cancelleria

The Palazzo della Cancelleria is a palace in Rome, situated between the present Corso Vittorio Emanuele II and the Campo de' Fiori, in the rione of Parione....
 was constructed, was a leader in the 1478 failed "Pazzi conspiracy
Pazzi

The Pazzi family were Tuscani nobles who were bankers in Florence in the 15th century. They are now best known for the "Pazzi conspiracy" to murder Lorenzo de' Medici and Giuliano di Piero de' Medici on April 26, 1478....
" to assassinate both Lorenzo de' Medici
Lorenzo de' Medici

Lorenzo de' Medici was an Italy statesman and de facto ruler of the Florentine Republic during the Italian Renaissance. Known as Lorenzo the Magnificent by contemporary Florentines, he was a diplomat, politician and patron of scholars, artists, and poets....
 and his brother and replace them in Florence
Florence

Florence is the Capital city of the Italy Regions of Italy of Tuscany and of the provinces of Italy Province of Florence. It is the most populous city in Tuscany and has a population of 364,779 ....
 with Sixtus IV's other nephew, Girolamo Riario
Riario

Riario was an Italian noble family from Genoa. Its member included three famous nephews of Francesco della Rovere, who reigned as Pope Sixtus IV....
. Francesco Salviati
Francesco Salviati (archbishop)

Cardinal Francesco Salviati Riario was the archbishop of Pisa in 1475. A blood-member of the Riario family, and of the Salviati family , he was also related by marriage to the Pazzi, Medici, Vettori, and other powerful families....
, archbishop of Pisa and a main organizer of the plot, was hanged on the walls of the Florentine Palazzo della Signoria. To this Sixtus IV replied with an interdict
Interdict (Roman Catholic Church)

In the Roman Catholic Church, the word interdict usually refers to an ecclesiastical penalty. Interdicts may be real, local or personal....
 and two years' of war with Florence. He also encouraged the Venetians
Republic of Venice

The Most Serene Republic of Venice or Venetian Republic was a state originating from the city of Venice . It existed for over a millennium, from the late 7th century AD until the year 1797....
 to attack Ferrara
Ferrara

Ferrara is a city in Emilia-Romagna, northern Italy, capital city of the Province of Ferrara.It is situated 50 km north-northeast of Bologna, on the Po di Volano, a branch channel of the main stream of the Po River, located 5 km north....
, which he wished to obtain for another nephew. The angered Italian princes allied to force Sixtus IV to make peace, to his great annoyance.

As a temporal prince who constructed stout fortresses in the Papal States
Papal States

The Papal States, State of the Church or Pontifical States were one of the major historical states of Italy from roughly the 6th century until the Italian peninsula was unified in 1861 by the Kingdom of Piedmont-Sardinia ....
, Sixtus IV committed himself to Venice's
Venice

Venice is a city in northern Italy, the capital city of the Italian regions Veneto, a population of 271,251 . Together with Padua, Italy, the city is included in the Padua-Venice Metropolitan Area ....
 aggression against Ercole I d'Este, Duke of Ferrara, inciting the Venetians to attack in 1482 in the so-called War of Ferrara. Their combined assault was opposed by an alliance of the Sforzas of Milan
Milan

Milan is the second largest city of Italy, located in the plains of Lombardy. It is the capital in the Province of Milan, as well as the Regions of Italy capital of Lombardy....
, the Medici
Medici

The M?dici family was a powerful and influential Florence family from the 14th to 18th century. The family had three popes , numerous rulers of Florence and later members of the French and English royalty....
s of Florence
Florence

Florence is the Capital city of the Italy Regions of Italy of Tuscany and of the provinces of Italy Province of Florence. It is the most populous city in Tuscany and has a population of 364,779 ....
 along with the King of Naples, normally a hereditary ally and champion of the Papacy. For refusing to desist from the very hostilities that he himself had instigated (and for being a dangerous rival to Della Rovere dynastic ambitions in the Marche), Sixtus IV placed Venice under interdict in 1483.

Sixtus IV consented to the Spanish Inquisition
Spanish Inquisition

The Spanish Inquisition was an ecclesiastical tribunal established in 1478 by Catholic Monarchs Ferdinand II of Aragon and Isabella I of Castile....
 and issued a bull
Papal bull

A Papal bull is a particular type of letters patent or charter issued by a pope. It is named after the bulla that was appended to the end to authenticate it....
 in 1478 that established an Inquisitor
Inquisitor

An inquisitor was an official in an Inquisition, an organisation or program intended to eliminate heresy and other things frowned on by the Roman Catholic Church....
 in Seville
Seville

||-||}Seville is the artistic, cultural, and financial capital of southern Spain. It is the capital of Andalusia and of the province of Seville ....
, under political pressure from Ferdinand of Aragon
Ferdinand II of Aragon

Ferdinand the Catholic was king of Aragon , Sicily , Naples , Valencia , Sardinia and Navarre, Count of Barcelona, de jure uxoris King of Crown of Castile and then Regent of that country also from 1508 to his death, in the name of his mentally unstable daughter Joanna the Mad....
, who threatened to withhold military support from his kingdom of Sicily
Sicily

Sicily is an Autonomous regions with special statute of Italy. Of all the regions of Italy, Sicily covers the largest land area at 25,708 km? and currently has just over five million inhabitants....
. Nevertheless, Sixtus IV quarrelled over protocol and prerogatives of jurisdiction, was unhappy with the excesses of the Inquisition and took measures to condemn the most flagrant abuses in 1482. In ecclesiastical affairs, Sixtus IV instituted the feast (December 8) of the Immaculate Conception
Immaculate Conception

For artistic depictions see Roman Catholic Marian art. For the novel by Ga?tan Soucy, see The Immaculate Conception.The Immaculate Conception is, according to Roman Catholic Dogma, the conception of the Blessed Virgin Mary without any stain of original sin....
 of the Virgin Mary. He formally annulled (1478) the confusedly reformist decrees of the Council of Constance
Council of Constance

In the Roman Catholic Church, the Council of Constance is the 16th ecumenical council. It was held from 1414 to 1418. The council resolved the Western Schism, in which three men simultaneously claimed to be pope....
.

Sixtus IV is one of several Popes suspected of being homosexual. The basis of this being the diary records of Stefano Infessura (1440-1500) who recorded documented episodes as well as unsubstantiated rumours. This included accusations that Sixtus had awarded benefices and bishoprics in return for sexual favours. It is clear though that Sixtus rather favoured his relatives in order to have faithful executors of policy. The exception was Giovanni Sclafenato, who was created a cardinal according to the papal epitaph on his tomb for "ingenuousness, loyalty and his others gifts of soul and body". Later accusations of sodomy
Sodomy

Sodomy is a term used today predominantly in law to describe the act of anal intercourse, oral intercourse, as well as bestiality. When used in a religious context, it has a negative connotation....
 by Protestant polemicists can be dismissed as attempts at anti-Catholic propaganda.

Princely patronage

As a civic patron in Rome, even the anti-papal chronicler Stefano Infessura
Stefano Infessura

Stefano Infessura was an Italy Renaissance humanism historian and lawyer. He is remembered through his municipalist Diary of the City of Rome, a partisan chronicle of events at Rome by the Colonna family's point of view....
 agreed that Sixtus IV should be admired. The dedicatory inscription in the fresco by Melozzo da Forlė
Melozzo da Forlė

Melozzo da Forl? , was an Italy Renaissance painter near the Umbrian school, the first who practised foreshortening with much success and one of the most outstanding fresco painters of the 15th century....
 in the Vatican Palace records: "You gave your city temples, streets, squares, fortifications, bridges and restored the Acqua Vergine
Acqua Vergine

Acqua Vergine is one of the several Aqueducts in Rome that serve the city of Rome, in Italy, with pure drinking-water. The name derives from the name of its predecessor, Aqua Virgo, which was constructed by Marcus Agrippa in 19 BC, terminating at its castellum at the Baths of Agrippa, and, through a network of conduits, serving the vicin...
 as far as the Trevi
Trevi Fountain

The Trevi Fountain is a fountain in the Trevi in Rome, Italy. Standing at 25.9 meters high and 19.8 meters wide, it is the largest Baroque fountain in the city....
..." In addition to restoring the aqueduct that provided Rome an alternative to the river water that had made the city famously unhealthy, he restored or rebuilt over 30 of Rome's dilapidated churches, among them San Vitale (1475) and Santa Maria del Popolo, and added seven new ones. The Sistine Chapel
Sistine Chapel

Sistine Chapel is the best-known chapel in the Apostolic Palace, the official residence of the Pope in Vatican City. Its fame rests on its architecture, evocative of Solomon's Temple of the Old Testament and on its decoration which has been frescoed throughout by the greatest Renaissance artists including Michelangelo, Raphael, Bernini, and...
 was sponsored by Sixtus IV, as was the Ponte Sisto, the Sistine Bridge – the first new bridge across the Tiber
Tiber

The Tiber is the third-longest river in Italy, rising in the Apennine mountains in Emilia-Romagna and flowing 406 kilometres through Umbria and Lazio to the Tyrrhenian Sea....
 since antiquity – and the building of Via Sistina (later named Borgo Sant'Angelo), a road leading from Castel Sant'Angelo
Castel Sant'Angelo

The Mausoleum of Hadrian, usually known as the Castel Sant'Angelo, is a towering cylindrical building in Rome, initially commissioned by the Roman Emperor Hadrian as a mausoleum for himself and his family....
 to Saint Peter. All this was done to facilitate the integration of the Vatican Hill
Vatican Hill

Vatican Hill is the name given, long before the founding of Christianity, to one of the hills on the side of the Tiber opposite the traditional seven hills of Rome....
 and Borgo
Borgo (rione of Rome)

Borgo , is the 14th historic district of Rome. It lies on the west bank of the Tiber, and has a trapezoidal shape. Its Coat of Arms shows a lion , lying in front of three mounts and a star....
 with the heart of old Rome. This was part of a broader scheme of urbanization
Urbanization

Urbanization is the physical growth of rural or natural land into urban areas as a result of population im-migration to an existing urban area....
 carried out under Sixtus IV, who swept the long-established markets from the Campidoglio
Capitoline Hill

The Capitoline Hill , between the Roman Forum and the Campus Martius, is one of the seven hills of Rome of Rome. By the 16th century, Capitolinus had become Campidoglio in the Romanesco....
 in 1477 and decreed in a bull of 1480 the widening of streets and the first post-Roman paving, the removal of porticoes and other post-classical impediments to free public passage. At the beginning of his papacy in 1471, Sixtus IV donated several historically important Roman sculptures that founded a papal collection of art that would eventually develop into the collections of the Capitoline Museums
Capitoline Museums

The Capitoline Museums are a group of art and archeology museums in Capitoline Hill#Michelangelo, on top of the famous Capitoline Hill in Rome, Italy....
. He also refounded, enriched and enlarged the Vatican Library
Vatican Library

The Vatican Library , is the library of the Holy See, currently located in Vatican City. It is one of the oldest libraries in the world and contains one of the most significant collections of historical texts....
. He had Regiomontanus
Regiomontanus

Johannes M?ller von K?nigsberg , known by his Latin pseudonym Regiomontanus, was an important Germany mathematician, astronomer and astrologer....
 attempt the first sanctioned reorganization of the Julian calendar
Julian calendar

The Julian calendar, a reform of the Roman calendar, was introduced by Julius Caesar in 46 BC, and came into force in 45 BC . It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year, known at least since Hipparchus....
 and increased the size and prestige of the papal chapel choir, bringing singers and some prominent composers (Gaspar van Weerbeke, Marbrianus de Orto, and Bertrandus Vaqueras) to Rome from the North.

His bronze funerary monument, now in the basement Treasury of St. Peter's Basilica
St. Peter's Basilica

The Basilica of Saint Peter , officially known in Italian language as the Basilica di San Pietro in Vaticano and commonly known as St. Peter's Basilica, is located within the Vatican City....
, like a giant casket of goldsmith's work, is by Antonio Pollaiuolo
Antonio Pollaiuolo

Antonio del Pollaiolo , also known as Antonio di Jacopo Pollaiuolo or Antonio Pollaiolo, was an Italian people Painting, sculpture, engraver and goldsmith during the Renaissance....
. The top of the casket is a lifelike depiction of the pope lying in state. Around the sides are bas relief panels, depicting with allegorical female figures the arts and sciences (Grammar, Rhetoric, Arithmetic, Geometry, Music, Painting, Astronomy, Philosophy, and Theology). Each figure incorporates the oak tree ("rovere" in Italian) symbol of Sixtus IV. The overall program of these panels, their beauty, complex symbolism, classical references, and arrangement relative to each other is one of the most compelling and comprehesive illustrations of the Renaissance worldview.

In addition to being a patron of the arts, Sixtus IV was a patron of the sciences. Before becoming Pope, spent time at the then very liberal and cosmopolitan University of Padua
University of Padua

The University of Padua , located in Padua, Italy, was founded in 1222. It is among the earliest of the university and the third oldest in Italy....
, which maintained considerable independence from the Church and had a very international character. As pope, he issued a papal bull allowing local bishops to give the bodies of executed criminals and unidentified corpses to physicians and artists for dissection. It was this access to corpses which allowed the anatomist Vesalius
Vesalius

Andreas Vesalius was an Anatomy, physician, and author of one of the most influential books on human anatomy, De humani corporis fabrica . Vesalius is often referred to as the founder of modern human anatomy....
 along with Titian
Titian

File:Tizian 090.jpg Tiziano Vecelli or Tiziano Vecellio, born 1473/1490 , died 27 August 1576, better known as Titian , was the leading painter of the 16th-century Venice school of the Italian Renaissance....
's pupil Jan Stephen van Calcar
Jan Van Calcar

Jan Steven van Calcar was a Netherlands-born Italy painter.LifeCalcar was born in the Duchy of Kleve sometime between 1499 and 1510....
 to complete the revolutionary medical/anatomical text De humani corporis fabrica
De humani corporis fabrica

De humani corporis fabrica libri septem is a textbook of human anatomy written by Andreas Vesalius in 1543.The book is based on his University of Padua lectures, during which he deviated from common practice by dissecting a corpse to illustrate what he was discussing....
.

The cardinals of Sixtus IV

At the death of Sixtus IV, the conclave
Papal conclave

A papal conclave is a meeting of the College of Cardinals to elect the pope, or Bishop of Rome, who is considered by Catholics to be the Apostolic Succession of Saint Peter and earthly head of the Catholic Church....
 of cardinals that met to elect his successor numbered thirty-two surviving cardinals, a greater number than at any time since the close of the twelfth century, excepting perhaps for the multiplied rival cardinalatial colleges of the Great Schism
Great Schism

The term Great Schism may refer to one of several events in Christianity:* The East-West Schism , between Western Roman Catholic and Eastern Orthodox Church Christianity....
 (1378–1417). Of the thirty-two, only three cardinals survived from before Pope Paul II
Pope Paul II

Pope Paul II , born Pietro Barbo, was Pope from 1464 until his death in 1471....
: the two nephews of Pope Calixtus III (1455–1458), Rodrigo and Luis Borgia, and the nephew of Pope Pius II
Pope Pius II

Pope Pius II, born Enea Silvio Piccolomini was Pope from August 19, 1458 until his death in 1464. Pius II, "whose character reflects almost every tendency of the age in which he lived", was born at Corsignano in the Siena territory of a noble but decayed family....
 (1458–1464), Francesco di Nanni Todeschini de' Piccolomini. Six further cardinals survived from the pontificate of Paul II: Thomas Bourchier, Oliviero Carafa
Oliviero Carafa

Oliviero Carafa was an Italian cardinal and diplomat of the Renaissance....
, Marco Barbo
Marco Barbo

Marco Barbo of Venice was a Cardinal of the Roman Catholic Church and patriarch of Aquileia who served in the capacity of cardinal-nephew to his cousin Pietro Barbo, Pope Paul II....
, Jean Balue
Jean Balue

Jean Balue , was a France cardinal and minister of Louis XI of France.He was born of very humble parentage at Angle, Poitu in Poitou, and was first patronized by the bishop of Poitiers....
, Giovanni Battista Zeno
Giovanni Battista Zeno

Giovanni Battista Zeno or Zen was a cardinal of the Catholic Church.He was made a cardinal by his uncle, Pope Paul II in November 1468. The Zeno Chapel in St Mark's Basilica, Venice, was built as his tomb....
 and Giovanni Michiel. The remaining twenty-three had been made cardinals by Sixtus IV, and the roster of the princely houses of Italy, France and Spain echoes the chronicles of Renaissance history: Giuliano della Rovere, Stefano Nardini, Pedro Gonsalvez de Mendoza, Giovanni Battista Cybo (later Pope Innocent VIII
Pope Innocent VIII

Pope Innocent VIII , born Giovanni Battista Cybo , was Pope from 1484 until his death....
), Giovanni Arcimboldi, Philibert Hugonet, Giorgio da Costa, Charles de Bourbon l'ancien, Pierre de Foix le jeune, Girolamo Basso della Rovere
Girolamo Basso della Rovere

Girolamo Basso della Rovere was an Italian Cardinal of the Roman Catholic church.He was bishop of Albenga in 1472, and then bishop of Recanati in 1476....
, Gabriele Rangoni, Pietro Foscari, Juan of Aragon, Raffaele Sansoni Riario
Raffaele Riario

Raffaele Sansoni Galeoti Riario was an Italy Cardinal of the Renaissance, mainly known as the constructor of the Palazzo della Cancelleria and the one who invited Michelangelo to Rome....
, Domenico della Rovere, Paolo Fregoso, Giovanni Battista Savelli
Giovanni Battista Savelli

Giovanni Battista Savelli was an Italy cardinal from the 15th century. Of the noble Savelli family to which belonged Pope Honorius III and Pope Honorius IV and Cardinals: Bertrando Savelli, Cardinal Giacomo Savelli, Cardinal Silvio Savelli, Giulio Savelli, Fabrizio Savelli, Paolo Savelli and Domenico Savelli....
, Giovanni Colonna
Giovanni Colonna

Giovanni Colonna is a contemporary Italian scholar of ancient Italy and, in particular, the Etruscan civilization.Colonna is a professor at the Sapienza University of Rome where he has taught since 1980....
, Giovanni Conti
Giovanni Conti

Giovanni Conti was a deputy of the Kingdom of Italy and a senator in the Italian Republic.He was born in Montegranaro, Marche. He became member of the Italian Republican Party in 1912 and was elected into the Italian Parliament in 1921....
, Juan Moles de Margarit, Giovanni Giacomo Sclafenati
Giovanni Giacomo Sclafenati

Giovanni Giacomo Sclafenati was an Italy cardinal of the Catholic Church. He was bishop of Parma in Italy.He was made cardinal on 15 November 1483 by Pope Sixtus IV....
, Giovanni Battista Orsini
Giovanni Battista Orsini

Giovanni Battista Orsini, or Jean-Baptiste des Ursins, was 37th Grand Master of the Knights Hospitaller from 1467 to 1476....
, and Ascanio Maria Sforza-Visconti
Ascanio Sforza

Ascanio Maria Sforza Visconti was an Italian Cardinal of the Catholic Church, generally known as a skilled diplomat who played a major role in the election of Rodrigo Borgia as Pope Alexander VI....
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