1666, Netherlands: The Flamish born Umanist Latin writer, mathematician, phylosopher and physician ERRICO REGIO (Henricus Regius) aka Hendrik De Roy (1598 1679). Engraved portrait from book" Degli Elogii Degli Hvomini Letterati Scritti" by LORENZO CRASSO, 1666, printed in Venice (Italy). Was the professor of medicine at the University of Utrecht (Netherlands) from 1638. He was a vocal proponent of Cartesianism and corresponded frequently with René Descartes. He was the author of a textbook of natural philosophy," Fundamenta Physices"