Anthony Bassler (1874-1959) was an American gastroenterologist. In 1913 he described Bassler sign: compressing the appendix to assist in diagnosing chronic appendicitis.
Aaron sign: referred pain felt in the epigastrium upon continuous firm pressure over McBurney's point, indicative of chronic appendicitis (1913) by Charles Dettie Aaron (1866-1951)
Area of skin hyperaesthesia bounded by lines joining anterior superior iliac spine, the pubic symphysis and umbilicus. One of myriad eponymous signs of acute appendicitis.
Non-traumatic abdominal ecchymosis of the abdominal wall and flanks (Grey Turner, Cullen and Stabler); scrotum (Bryant) and upper thigh (Fox) as clues to potentially serious causes of abdominal pathology.
Marie Colinet von Hilden (c1560 - c1640) was a Swiss midwife and surgeon. First recorded ophthalmic extraction of metal from a patients eye with a magnet (1624)