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.
A. S. M. Hutchinson Arthur Stuart-Menteth Hutchinson (2 June 1879 – 14 March 1971), commonly known by his initials A. S. M. Hutchinson, was a British novelist.