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 Mehlich of São Paulo. Mehlich died in São Paulo, Brazil, where there is a street named after him, rua Maestro Ernesto Mehlich. Ernst Mehlich Ernst Mehlich (February 9, 1888 - February 12, 1977) was a German-Brazilian orchestra conductor and composer. In Brazil he was known as Ernesto Mehlich. Mehlich was born in Berlin, Germany. In January 1927 he became Director of the Baden-Baden City Symphony Orchestra, first as Head of the City Musical Department, and from December on as General Music Director. In Baden-Baden he inaugurated the Deutsche Kammermusikfestival (German Chamber Music Festival) in July 1927, in which Paul Hindemith, Carl