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,
Botanical Garden named after Rostovtsev open ground and about 500 - closed ground. Cultivated 9 species, listed in the Red Book of Russia. Botanical Garden named after Rostovtsev The Botanical Garden named after S. I. Rostovtsev () is a Botanical Garden in Moscow at the Timiryazev Agricultural Academy. Founded in 1895 on the initiative of botanist S. I. Rostovtsev. The garden area is about 1.2 hectares. The Botanical Garden is part of the complex reserve "Petrovsko-Razumovskoye" and has the status of a specially protected natural area of federal significance. The founder of the botanical garden S. I. Rostovtsev will divide it into 3 departments: systematic,