Andrés de San Martín
Encyclopedia
Andrés de San Martín was the chief pilot-cosmographer of the Armada de Molucca, the fleet commanded by Ferdinand Magellan
Ferdinand Magellan
Ferdinand Magellan was a Portuguese explorer. He was born in Sabrosa, in northern Portugal, and served King Charles I of Spain in search of a westward route to the "Spice Islands" ....

.

His nationality has been variously identified as Portuguese or French. Antonio Pigafetta
Antonio Pigafetta
Antonio Pigafetta was an Italian scholar and explorer from the Republic of Venice. He travelled with the Portuguese explorer Ferdinand Magellan and his crew on their voyage to the Indies. During the expedition, he served as Magellan's assistant and kept an accurate journal which later assisted him...

 wrote he was from Seville, and there's every reason to believe the Vicentine diarist who knew the astrologer although they were not in the same nao; Pigafetta was in the flagship Trinidad, while San Martín was assigned at first in San Antonio but later transferred to Victoria.

Exceptional pilot of the Renaissance

Little is known of San Martín's life before 1512, when King Ferdinand commissioned him royal pilot. What we know largely comes from the great Chilean historian José Toribio Medina
José Toribio Medina
José Toribio Medina Zavala was a Chilean bibliographer, prolific writer, and historian. He was of Basque descent.-Biography:...

 who wrote a biographical sketch. San Martín must have been an exceptional man because the Royal decree had an extraordinary phrase that others had not merited; the King's instruction to him was to "...be prepared to serve us at sea as on land."

Singular knowledge of cosmography

His knowledge of cosmography (astrology) was singular. He knew more than others during the Age of Discovery how astronomical science could be applied to navigation. Confident of his unique skills he applied for the post of pilot major of Spain upon the death in 1512 of its holder, Amerigo Vespucci. He was unfortunately turned down by the King who appointed instead Juan Díaz de Solís. He again applied for the post in 1518 when Solís died. Again he was turned down in favor of another foreigner, Sebastian Cabot. Nevertheless, the King consoled San Martín by raising his pay to 10,000 maravedis.

He reported for duty upon order of the King sometime in July 1519. He received advances on July 31, 1519 of 30,000 maravedis and 7,500 maravedis for cost-of-living allowance.

At Rio de Janeiro, San Martín left San Antonio and transferred to Victoria where he remained until his presumed death at Cebu on May 1, 1521. There is no certainty he was one of those killed there. There were reliable reports later that some eight survived the massacre.

Navigational feat unequaled for 200 years

Andrés de San Martín, according to Tim Joyner, was the most eminent cosmographer in the fleet, unequaled by no one in the fleet, not even by the greatest mariner of all time, Ferdinand Magellan. Twice, he was able to calculate accurately, using astronomical measurement, the longitudes of two places, Port San Julian at Patagonia and Homonhon Island in the Philippines. At San Julian, he brought out his instruments, to quote Tim Joyner, "to test Faleiro's [Rodrigo (Ruy) Failero] system for using conjunctions of the moon with the planets to determine longitude. His measurements resulted in the astonishingly accurate estimate of 61° west of Seville. Less than one degree in error, this was an accomplishment far beyond the capabilities of the other pilots." Again, at Homonhon Island, in central Philippines, he was able to measure its longitude, according to Rolando A. Laguardia Trias. Trias asserts that the reading of 189° longitude "from the meridian" which meant the line of demarcation at 47° west of Greenwich. In today's system of reckoning Homonhon Is. is at 125° 42.8' east longitude.

This reading is only two degrees in error, Trias asserts. No other had shown such mathematical skill. Indeed, for two hundred years his calculations were not matched by anyone.

Papers possessed by Ginés de Mafra

San Martín entrusted his priceless navigational notes and other papers to Ginés de Mafra
Gines de Mafra
Ginés de Mafra was a Spanish explorer who sailed to the Philippines in the 16th century. De Mafra was a member of the expeditions of Ferdinand Magellan of 1519–1521 and Ruy López de Villalobos of 1542–1545.- Voyage to the Philippine Islands:...

 sometime before May 1, 1521. These were confiscated when de Mafra together with co-prisoners Gómez de Espinosa and Hans Bergen
Hans Bergen
Hans Bergen was a highly decorated Generalleutnant in the Wehrmacht during World War II who commanded several divisions. He was also a recipient of the Knight's Cross of the Iron Cross. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful...

 reached Lisbon in July 1526. This lengthy possession by de Mafra of San Martín's papers has led to the belief voiced by geographer Donald D. Brand and embraced by Magellan historiographer Martin Torodash, who is cited by Philippine religious historian John Schummacher, S.J., for Brand's dictum, that the eyewitness account of Ginés de Mafra
Gines de Mafra
Ginés de Mafra was a Spanish explorer who sailed to the Philippines in the 16th century. De Mafra was a member of the expeditions of Ferdinand Magellan of 1519–1521 and Ruy López de Villalobos of 1542–1545.- Voyage to the Philippine Islands:...

 is nothing more than his recall of what he read from San Martín's papers. This has led to historians overall disregarding the testimony of de Mafra which has overarching importance in Age of Discovery geography of the Philippine region.

In fact, because de Mafra's observations may reflect as well the genius of San Martín, his testimony becomes doubly important.
De Mafra's account, more precisely, is critical and indispensable in solving the Mazaua landfall issue which is also known in the Philippines as the 'First mass in the Philippines
First mass in the Philippines
The first mass in the Philippines was on Easter Sunday March 31, 1521 in an island named Mazaua by eyewitnesses Antonio Pigafetta, Ginés de Mafra, Francisco Albo, the Genoese pilot, and Martín de Ayamonte, at a location today universally—and mistakenly—believed to be Limasawa, a town...

' controversy as discussed at http://en.wikipedia.org/wiki/First_mass_in_the_Philippines.

San Martín's papers were kept at a Lisbon archive where these were cosulted by Portuguese historians like Fernão Lopes de Castanheda
Fernão Lopes de Castanheda
Fernão Lopes de Castanheda was a Portuguese historian in the early Renaissance.His "History of the discovery and conquest of India", full of geographic and ethnographic objective information, was widely translated throughout Europe.- Life :Castanheda was the natural son of a royal officer, who...

, Gaspar Corrêa, Damião de Góis
Damião de Góis
Damiao de Góis , born in Alenquer, Portugal, was an important Portuguese humanist philosopher. He was a friend and student of Erasmus. He was appointed secretary to the Portuguese factory in Antwerp in 1523 by King John III of Portugal...

, João de Barros
João de Barros
João de Barros , called the Portuguese Livy, is one of the first great Portuguese historians, most famous for his Décadas da Ásia , a history of the Portuguese in India and Asia.-Early years:...

, and others.

Papers forever lost

San Martín's papers were later transferred to Madrid during the union of the Iberian kingdoms, 1580-1640. Antonio de Herrera y Tordesillas
Antonio de Herrera y Tordesillas
Antonio de Herrera y Tordesillas , Spanish historian, was born at Cuéllar, in the province of Segovia.-Biography:His father, Roderigo de Tordesillas, and his mother, Agnes de Herrera, were both of good family...

, as asserted by J. Denucé, extensively used San Martín's insights. One of the key observations of the astrologer pertaining the March-April 1521 incident at the island-port of Mazaua remained the sole faithful published account throughout the 16th century until the 19th century with the exact name of the island. Other accounts had either "Messana" or "Massana" as the island's name. These two names were first used by Maximilianus Transylvanus
Maximilianus Transylvanus
Maximilianus Transylvanus , also Maximilianus of Transylvania and Maximilian von Sevenborgen , was a sixteenth century author based in Flanders who wrote the earliest account published on Magellan and Elcano's first circumnavigation of the world...

 in his report of the circumnavigation contained in a letter to Cardinal Matthäus Lang, the archbishop of Salzburg. Transylvanus' report was published and became an overnight sensation in Europe. San Martín's papers unfortunately got lost and are nowhere to be found. They exist in the various quotes by contemporary Portuguese historians and later Spanish historians like Antonio de Herrera y Tordesillas
Antonio de Herrera y Tordesillas
Antonio de Herrera y Tordesillas , Spanish historian, was born at Cuéllar, in the province of Segovia.-Biography:His father, Roderigo de Tordesillas, and his mother, Agnes de Herrera, were both of good family...

who had access to the original documents.
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