Sir William Hamilton A jetboat is propelled by a jet of water ejected from the back of the craft and was designed for operation in shallow, rocky, challenging rivers in New Zealand.
Who was killed on 4 January 1967 when his jet propelled boat, Bluebird K7, somersaulted and disintegrated on Coniston Water?
Who became Head of the Jet Propulsion Laboratory in 1954 (for 22 years), and received an honorary knighthood in 1975 for his role in pioneering the exploration of space?
Who was largely responsible for the development of the jet engine, seeing the first application of his engine installed in a Gloster aircraft in 1941?
Archimedes is the first person recorded to have designed and built an elevator, in about 236 BC. Who is credited with introducing the safety elevator, which did not fall if the cable broke?