Wade-Dahl-Till valve was partially built by the novelist of what nationality?
Wade-Dahl-Till valve The Wade-Dahl-Till (WDT) valve is a cerebral shunt developed in 1962 by hydraulic engineer Stanley Wade, author Roald Dahl, and neurosurgeon Kenneth Till.
Robert Briffault Robert Stephen Briffault {'1': ", '2': ", '3': ", '4': "} (] , 1874 – 11 December 1948) was a French surgeon who found fame as a social anthropologist and later in life as a novelist.