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 Loosen Ernst Loosen Ernst Loosen is a German winemaker and owner of the wine producer Weingut Dr. Loosen, located just outside Bernkastel in the Mosel wine region. With over 70,000 annual bottle production, he is one of the larger producers in the Mosel region. He is particularly known for the quality of his Rieslings, having won "Riesling of the Year" in 1989 as awarded by the German wine trade magazine "Feinschmecker". In 2001, Gault-Millau named Ernst Loosen as the German winemaker of the year, and in 2005, Ernst Loosen was selected as "Decanter"'s "Man of the Year". "Weingut Dr.Loosen" was awarded