Johannes Müller von Königsberg, better known as Regiomontanus, was a mathematician, astrologer and astronomer of the German Renaissance, active in Vienna, Buda and Nuremberg. His contributions were in
18th-century portrait (Iohannes de Regio Monte dictus alias Müllerus)
Plaque at Regiomontanus' birthplace
Bessarion was a Byzantine Greek Renaissance humanist, theologian, Catholic cardinal and one of the famed Greek scholars who contributed to the revival of letters in the 15th century. He was educated b
Regiomontanus
…he was awarded his master's degree (magister artium) at the age of 21 in 1457. He lectured in optics and ancient literature. In 1460 the papal legate Basilios Bessarion came to Vienna on a diplomatic mission. Being a humanist scholar with a great interest in the mathematical sciences, Bessarion sought out Peuerbach's…
Wood engraving from Bibliotheca chalcographica, B1
Portrait of Bessarion, 16th century
Tomb of Bessarion in the Santi Apostoli, Rome.
Cardinal Bessarion's Coat of Arms, from a 15th c. codex at Bodleian Library (Manuscript Holkham gr. 79). Features two arms (East and West) holding a Cross, crescent and star symbols over the Cross, a red Cardinal's hat on the top, and decorative tassels.