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.
Jules Verne Jules Gabriel Verne ( ; ] ; 8 February 1828 – 24 March 1905) was a French novelist, poet, and playwright.