The Einstein of Sex: Life and Work of Dr. M. Hirschfeld (German: Der Einstein des Sex) is a film by the German director Rosa von Praunheim from the year 1999, based on the life of the Jewish doctor Magnus Hirschfeld. The Einstein of Sex is about the once world-famous sexologist Dr. Magnus Hirschfeld, a Jewish gay socialist. In 1897, Hirschfeld founded the first political gay group in history. In the film three of Hirschfeld's closest friends are portrayed: Baron Hermann von Teschenberg, Karl Giese and Dorchen(a transsexual). They establish the first Institut fr Sexualwissenschaft in Berlin in 1919. They try to keep the institute open during the rise of the Third Reich in the 1930s.