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 Moro Ernst Moro Ernst Moro (8 December 1874 in Laibach, Duchy of Carniola, Austria-Hungary, today Ljubljana, Slovenia – 1951) was an Austrian physician and pediatrician who was the first in western medicine to describe the infant reflex that was named after him (Moro reflex). Moro studied medicine in Graz, Austria, getting his M.D. in 1899. From 1901 to 1902 he worked with Theodor Escherich (1857–1911) in Vienna, the discoverer of the Escherichia coli bacterium. He was habilitated for pediatrics in Munich in 1906, and became a professor of pediatrics in the University of Heidelberg in 1911. Besides the Moro reflex he