Franciscus de le Boë Sylvius

Franciscus de la Boe Sylviu , was born in Hanau, now Germany, 15 March 1614 and died in Leiden 19 November 1672. He was a Dutch medical doctor, and professor at Leiden, as well as a scientist (chemist, physiologist and anatomist). He was also anearly supporter of R. Descartes, J.B. van Helmont and especially William Harvey. He understood Harvey’s work and theory well, and brought the concept of circulation of blood to the Netherlands. Sylvius was mentor of Johannes Walaeus, Niels Stensen, Jan Swammerdam and Reinier de Graaf.

Source: "A short history of physiology in the Netherlands" N. Westerhof Departments of Physiology and Pulmonary Diseases, Institute for Cardiovascular Research (ICaR-VU), VU University Medical Center, Amsterdam, the Netherlands

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• Lees Nederlands (Dutch) Wikipedia NL Source (French) about De le Boe familytree: Histoire généalogique des Païs-Bas ou histoire de Cambray et du Cambresis, by Jean le Carpentier (Google Books)