François d'Aguilon

François d'Aguilon, also d'Aguillon or in Latin Franciscus Aguilonius, born in Brussels on 4 January 1567 and dead in Antwerp on 20 March 1617, was a Jesuit, mathematician, physicist and architect from the Spanish Netherlands, whose father was a secretary to Philip II of Spain. He became a Jesuit at Tournai in 1586, moved to Antwerp in 1598, where he helped plan the Saint Carolus Borromeus church, and in 1611 started there a special school of mathematics, fulfilling a dream of Christopher Clavius; Grégoire de Saint-Vincent joined it in 1616, and Jean-Charles della Faille, André Tacquet and Theodorus Moretus were educated there. His Opticorum Libri Sex of 1613, illustrated by Peter Paul Rubens, includes one of the first studies of binocular vision and gave the names now used for stereographic and orthographic projection, and it inspired the work of Desargues and Huygens.