born Feb. 24, 1697, Frankfurt an der Oder, Brandenburg
died Sept. 9, 1770, Leiden, Neth.
German-born Dutch anatomist.
A professor at the University of Leiden, he is best known for the excellent engravings in his Tables of the Skeleton and Muscles of the Human Body (1747). He was the first to show the connection of the vascular systems of mother and fetus. With Hermann Boerhaave , he edited the works of Andreas Vesalius and William Harvey .