Max de Crinis

Professor Maximinus Friedrich Alexander de Crinis (29 May 1889 in Ehrenhausen near Graz – 2 May 1945 in Stahnsdorf near Berlin, Germany) held a Chair in psychiatry in Cologne and at Charité in Berlin, and was a medical expert for the Action T4 Euthanasia Program who wrote the , signed by Adolf Hitler on 20 September 1939. According to Heinz Guderian, Dr De Crinis was the first doctor to correctly diagnose Hitler's malady as being Parkinson's disease. The diagnosis made in early 1945 was kept secret.

Max de Crinis

Professor Maximinus Friedrich Alexander de Crinis (29 May 1889 in Ehrenhausen near Graz – 2 May 1945 in Stahnsdorf near Berlin, Germany) held a Chair in psychiatry in Cologne and at Charité in Berlin, and was a medical expert for the Action T4 Euthanasia Program who wrote the , signed by Adolf Hitler on 20 September 1939. According to Heinz Guderian, Dr De Crinis was the first doctor to correctly diagnose Hitler's malady as being Parkinson's disease. The diagnosis made in early 1945 was kept secret.