Georg Martin Schädlich was a corporal of the Wehrmacht during World War II, who kept a diary while he was a guard at Colditz castle prisoner-of-war camp from 1941 to 1943. This diary was later published by his grandson, Thomas Schädlich. Later in the war Schädlich was to lose his life in Italy, dying of a wound to the stomach. His family kept his diary and many years later his journal was published by his grandson, Thomas Schädlich.