Jehuda Cresques
Encyclopedia
Jehuda Cresques also known as Jafudà Cresques, Jaume Riba, and Cresques lo Juheu ("Cresques the Jew") was a Catalan
Catalonia
Catalonia is an autonomous community in northeastern Spain, with the official status of a "nationality" of Spain. Catalonia comprises four provinces: Barcelona, Girona, Lleida, and Tarragona. Its capital and largest city is Barcelona. Catalonia covers an area of 32,114 km² and has an...

 cartographer
Cartography
Cartography is the study and practice of making maps. Combining science, aesthetics, and technique, cartography builds on the premise that reality can be modeled in ways that communicate spatial information effectively.The fundamental problems of traditional cartography are to:*Set the map's...

, and was once believed to be the man who coordinated the discoveries of the Portuguese
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 naval school at Sagres
Sagres
Sagres Point , is a windswept shelf-like promontory located in the southwest Algarve region of southern Portugal. Only 4 km to the west and 3 km to the north lies Cape St. Vincent which is usually taken as the southwesternmost tip of Europe. The vicinity of Sagres Point and Cape St...

 in the early 15th century.

Son of Abraham Cresques
Abraham Cresques
Abraham Cresques , whose real name was probably Cresques Abraham, was a 14th-century Jewish cartographer from Palma, Majorca...

, a famous Jewish
Jews
The Jews , also known as the Jewish people, are a nation and ethnoreligious group originating in the Israelites or Hebrews of the Ancient Near East. The Jewish ethnicity, nationality, and religion are strongly interrelated, as Judaism is the traditional faith of the Jewish nation...

 cartographer, he was born in Majorca in present-day Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

. Together he and his father were the probable authors of the famous Catalan Atlas
Catalan Atlas
The Catalan Atlas is the most important Catalan map of the medieval period. It was produced by the Majorcan cartographic school and is attributed to Cresques Abraham , a Jewish book illuminator who was self-described as being a master of the maps of the world as well as compasses...

 of 1375.

Cresques' work was highly sought after; in 1390 John I of Aragon
John I of Aragon
John I , called by posterity the Hunter or the Lover of Elegance , but the Abandoned in his lifetime, was the King of...

 paid the princely sum of 60 livres and 8 sous
Sous
The Sous or Souss is a region in southern Morocco. Geologically, it is the alluvial basin of the Oued Sous , separated from the Sahara by the Anti-Atlas Mountains...

 for one of his maps. After the Aragon
Aragon
Aragon is a modern autonomous community in Spain, coextensive with the medieval Kingdom of Aragon. Located in northeastern Spain, the Aragonese autonomous community comprises three provinces : Huesca, Zaragoza, and Teruel. Its capital is Zaragoza...

ese persecutions of 1391 he converted to Christianity, at which time he took the name Jaume Riba (Jacobus Ribus, in Latin
Latin
Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

). he appears to have remained in Majorca for a considerable time and to have become known to the people there as "lo Juen buscoler" (the map Jew), or "el jueu de les bruixoles" (the compass Jew).

It has long been believed that Jehuda Cresques is the same person as 'Mestre Jacome', a Majorcan cartographer induced by the Portuguese prince Henry the Navigator to move to Portugal in the 1420s to train Portuguese map-makers in Majorcan-style cartography. 'Jacome of Majorca' is even sometimes described as the head of Henry's legendary observatory and "school" at Sagres
Sagres
Sagres Point , is a windswept shelf-like promontory located in the southwest Algarve region of southern Portugal. Only 4 km to the west and 3 km to the north lies Cape St. Vincent which is usually taken as the southwesternmost tip of Europe. The vicinity of Sagres Point and Cape St...

. The identification of "Mestre Jacome" with Jehuda Cresques" is principally due to the Catalan historian Gonzalo de Reparaz (1930).
However, more recent researches argue that Jehuda Cresques already dead by 1410, and "Mestre Jacome" must have been someone else (identity still indeterminate; Majorca had many skilled Jewish cartographers.)
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