History1960sUnited Kingdomhigh confidence

In 1962, children's author Roald Dahl, hydraulic engineer Stanley Wade, and paediatric neurosurgeon Kenneth Till jointly invented a shunt valve for treating hydrocephalus in children.

Notes on verification

Well-documented by multiple independent sources including the Science Museum, GOSH, Roald Dahl Museum/estate, and Sturrock's biography, all consistent on the facts of the collaboration and invention.

Sources