High Quality Content by WIKIPEDIA articles! Volkmar Sigusch (born June 11, 1940) is a German sexologist, physician and sociologist. He was from 1973 to 2006 director of the Institut für Sexualwissenschaft [Institute for Sexual Science] at the clinic of the Goethe-University in Frankfurt am Main.Sigusch was born in Bad Freienwalde. He studied medicine, psychology and philosophy (student of Max Horkheimer and Adorno) in Frankfurt am Main, Berlin and Hamburg. 1966 and 1972 Sigusch got his German M. D. and Ph.D. at the university in Hamburg. He worked then since 1973 at the university in Frankfurt as professor.