What did Roald Dahl invent?

If the reports of his childhood from Boy are anything to go by, Roald Dahl had an inventive streak from a very early age. ... read more

Following the accident, Roald Dahl became heavily involved in Theo’s after-care, later helping to invent what became known as the Wade-Dahl-Till valve - a cerebral shunt used to drain excess fluid from the brain - in partnership with engineer Stanley Wade and neurosurgeon Kenneth Till. read more

He also helped to invent the Dahl/Wade/Till valve, a device put in the heads of over 2,000 hydrochaphalic children before it was discontinued because of medical advances. Some still have the device in their heads today. read more

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. In 1960, Dahl's son Theo developed hydrocephalus after being struck by a car. A standard Holter shunt was installed to drain excess fluid from his brain. read more