[Prof. Dr. Lothar Heidenhain (1860-1940)--on the first successful operation of congenital diaphragmatic hernia 6 March 1902].

A biographic sketch of Heidenhain is presented referring to Heidenhain's work in all parts of surgery, especially in breast, brain and lung surgery and cancer research. He was the first operating successfully an inborn diaphragmatic hernia.