Grey Turner sign refers to bruising of the flanks. Originally described 1919 (published 1920) by George Grey Turner (1877–1951) most commonly associated with acute pancreatitis
Fox's sign: non-traumatic ecchymosis over the upper outer aspect of the thigh secondary to abdominal haemorrhage. First described by English surgeon John Adrian Fox in 1966
Stabler Sign - atraumatic abdominal wall ecchymosis in the inguinal-pubic area associated with ectopic pregnancy. Francis (Frank) Edward Stabler (1902–1967)
John Benjamin Murphy (1857-1916) was an American physician and abdominal surgeon. Eponymously remembered for Murphy’s Sign (...but not as you know it); Murphy's triad; Murphy's punch test and many more