Francesco Stelluti was an Italian polymath who worked in the fields of mathematics, microscopy, literature, and astronomy. Along with Federico Cesi, Anastasio de Filiis and Johannes van Heeck, he founded the Accademia dei Lincei in August 1603.

Johannes van Heeck,, was a Dutch physician, naturalist, alchemist and astrologer. Together with Prince Federico Cesi, Anastasio de Filiis and Francesco Stelluti, he was one of the four founding members of the Accademia dei Lincei, the first learned society dedicated to understanding of the natural world through scientific enquiry.