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 von Bergmann Ernst von Bergmann Plaque of the German Medical Association, are named in his honor. Ernst von Bergmann Ernst von Bergmann (16 December 1836 – 25 March 1907) was a Baltic German surgeon. He was the first physician to introduce heat sterilisation of surgical instruments and is known as a pioneer of aseptic surgery. Born in Riga, Livonia Governorate (now Latvia), in 1860 he earned his doctorate at the University of Dorpat. He then worked as an assistant at the surgical clinic, and trained for surgery under Georg von Adelmann (his future father-in-law), and Georg von Oettingen. He received his certification