رودولف فيرشو
Gegenbaur learned techniques as a student of Albert von Kölliker, Rudolf Virchow, Heinrich Müller and Franz Leydig (1821–1908). Karl Gegenbaur had a strong influence on his environment, with his colleagues Matthias Jakob Schleiden, Emil Huschke, Ernst Haeckel, and Hermann Klaatsch (1863–1916).