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.
Mary Gaunt Mary Eliza Bakewell Gaunt (20 February 1861 – 19 January 1942) was an Australian novelist.