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,
Portrait of a Woman (Marie Larp) which today is in the collection of the Los Angeles County Museum of Art at Los Angeles: Portrait of a Woman (Marie Larp) "Portrait of a Woman" (Marie Larp) is a portrait painting by the Dutch Golden Age painter Frans Hals, painted in 1635–1638 and now in the National Gallery at London. The painting shows a fashionably dressed woman seated in a chair and holding her bridal stomacher with her left hand. This painting was documented by Ernst Wilhelm Moes in 1909 and Hofstede de Groot in 1910, who wrote "232. MARIA LARP (buried November 15, 1675), wife of Pieter