abstract:Julius Wagner-Jauregg (until 1919 Julius Wagner Ritter von Jauregg,His father had been created a Ritter (a hereditary title of nobility) in 1883, but titles of nobility were abolished in Austria in 1919. 7 March 1857 Wels, Upper Austria – 27 September 1940 Vienna) was an Austrian physician, Nobel Laureate, and Nazi supporter.