Francois D Aguillon (Aguilonius), (1566-1617), Flemish mathematician. Having entered the
Society of Jesus in 1586, he was successively professor of philosophy at Douai and rector of the Jesuit College at Antwerp. He wrote a treatise on optics in six books (Antwerp, 1613), notable for containing the principles of stereographic projection.
Initial text from 1911 encyclopedia
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