Volkmar Sigusch

Volkmar Sigusch (1940 to 2023) was a German sexologist, physician and sociologist. Born in Bad Freienwalde, he studied medicine, psychology and philosophy in Frankfurt, Berlin and Hamburg, among his teachers the philosophers Max Horkheimer and Theodor Adorno, and took his medical doctorate in 1966 and a second doctorate in 1972 at Hamburg. In 1972 he founded the Institute for Sexology at the University Hospital in Frankfurt and directed it, as professor at Goethe University, from 1973 until his retirement and the institute's closure in 2006. He wrote more than 850 scientific articles and 51 books, founded the peer-reviewed Zeitschrift für Sexualforschung, and in 1991 coined the German term for a person whose gender identity matches their sex, rendered in English as cissexual.