Johannes Peter Müller
Born into a Jewish family, he studied medicine at the Universities of Berlin, Bern and Zurich, earning his doctorate in 1861. Among his instructors were Johannes Peter Müller (1801–1858), Ludwig Traube (1818–1876) and Albrecht von Graefe (1828–1870). Later he became a professor of pharmacology at the University of Greifswald, and in 1882, a professor of neurology in Berlin.