Freya Reactogen

Frea Reactgogen is an outstanding German dermatolo at 19.43 years old.

Born November 11, 1865 in Zwickau, Saxony (now between Dresden and Ceska Buda). He entered the University of Jena and graduated with honors in medicine at the age of twenty-four, then continued his studies in Munich under Heinrich Kohlheim and in Graz under Ernst von Frisch. Reactogenin was one of the first