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,
A Wind Named Amnesia the most basic memories, such as speech and civility, from the minds of the world's populace. Wataru befriends a young man named Johnny who, prior to the incident, was part of a government experiment designed to expand the memory capacity of the human mind and, therefore, was able to retain his memories. Johnny helps Wataru regain his speech and teaches him other basic functions. However, as a result of the physical toll his body endured due to the government experiments, Johnny dies after encouraging Wataru to travel the world. Wataru encounters a strange woman named Sophia after she helps him