Russell Brain, 1st Baron Brain

Walter Russell Brain, 1st Baron Brain (23 October 1895 – 29 December 1966) was a British neurologist. He was principal author of the standard work on neurology, ''Brain's Diseases of the Nervous System'', and longtime editor of the neurological medical journal titled ''Brain''. He is also eponymised with "Brain's reflex", a reflex exhibited by humans when assuming the quadrupedal position. Provided by Wikipedia