(b Brussels, ?Jan 4, 1567; d Antwerp, March 20, 1617).
Flemish scientist and architect. His father was a Spaniard, Pedro de Aguilón; his mother, Anna Pels, was of Flemish origin. Aguilonius studied at the Jesuit Collège de Clermont in Paris and at Douai. He entered the novitiate of the Jesuits in Tournai. After a brief visit to Salamanca in 1596 he was ordained. He taught philosophy at Douai for five years, and in 1598 moved to Antwerp, where he became confessor to the Spaniards and Italians and a teacher at the city’s Jesuit college. In 1614 he was appointed rector of the college.
Aguilonius’s reputation rests on his book on optics, illustrated by Peter Paul Rubens, and on the part he played in building the Jesuit church in Antwerp (S Carlo Borromeo), which contributed to the popularity of Italian Baroque architecture with Flemish Jesuits. By December 1611 Aguilonius had written Opticorum libri sex, which was published by the Plantin press in ...