Ernst Gräfenberg Ernst Gräfenberg Ernst Gräfenberg (September 26, 1881 in Adelebsen near Göttingen, Germany – 28 October 1957 in New York City, United States) was a German-born physician (medical doctor) and scientist. He is known for developing the intrauterine device (IUD), and for his studies of the role of the woman's urethra in orgasm. The G-spot is named after him. Gräfenberg studied medicine in Göttingen and Munich, earning his doctorate on 10 March 1905. He began working as a doctor of ophthalmology at the university of Würzburg, but then moved to the Department of Obstetrics and Gynaecology at the University of Kiel,
Ernst-Robert Grawitz Ernst-Robert Grawitz Ernst-Robert Grawitz (8 June 1899 – 24 April 1945) was a German physician and an SS functionary ("Reichsarzt", "arzt" meaning "physician") during the Nazi era. Grawitz was born in Charlottenburg, in the western part of Berlin, Germany. As "Reichsarzt SS und Polizei" (Reich Physician SS and Police), Grawitz was also head of the German Red Cross. Grawitz funded Nazi attempts to "eradicate the perverted world of the homosexual" and research into attempts to "cure" homosexuality. This involved experimentation on inmates in Nazi concentration camps. He was in charge of "enthusiastic" experiments on concentration camp inmates. Grawitz was also