He worked for a time in the laboratory of his friend Theodor Poleck and in the Physiological Institute of Rudolf Heidenhain. Later he erected his own, well equipped laboratory and employed assistants.
For a period, he was employed by his friend Theodor Poleck's lab and the Physiological Institute of Rudolf Heidenhain. Subsequently, he built his own laboratory, equipped with advanced tools, and hired staff to assist him.