Complex sentence: He was director of the Department of Medical Microbiology at Schering (now Bayer HealthCare Pharmaceuticals) in West Berlin 1959--1965, and also held a secondary appointment at the Research Department of Electron Microscopy at the Free University of Berlin.
Split into simpler sentences: He was director of the Department of Medical Microbiology at Schering (now Bayer HealthCare Pharmaceuticals) in West Berlin 1959--1965. He also held a secondary appointment at the Research Department of Electron Microscopy at the Free University of Berlin.