Leopold von Ranke
Heinrich von Ranke (8 May 1830, Rückersdorf – 13 May 1909, Munich) was a German physiologist and pediatrician. He was the son of theologian Friedrich Heinrich Ranke (1798-1876) and the brother of anthropologist Johannes Ranke (1836-1916). Famed historian Leopold von Ranke (1795-1886) was his uncle.