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.
Thomas Pynchon Thomas Ruggles Pynchon Jr. ( , commonly ; born May 8, 1937) is an American novelist. A MacArthur Fellow, he is noted for his dense and complex novels. His fiction and non-fiction writings encompass a vast array of subject matter, genres and themes, including history, music, science, and mathematics. For "Gravity's Rainbow", Pynchon won the 1974 U.S. National Book Award for Fiction.