Jacques Dubois (1478–1555)
Born 1478 CE, died 1555 CE.
Jacques Dubois (Latinised as Jacobus Sylvius; 1478 – 14 January 1555) was a French anatomist who was professor of surgery at Collège Royal. He was the first to describe venous valves, although their function was later discovered by William Harvey. He was the brother of Franciscus Sylvius Ambianus (François Dubois; c. 1483 – 1536), professor of humanities at the Collège de Tournai of the University of Paris.
Text from the Wikipedia article Jacques_Dubois, licensed CC BY-SA 4.0.