Career
Rumsey was the head of the optics section of the Department of Scientific and Industrial Research (Department of Scientific and Industrial Research) from the 1950s until his retirement. He developed the optical system for the McLellan telescope at the Mount John University Observatory near Lake Tekapo in the Mackenzie Basin. His design was the basis for a marine navigation system that was commercialised by Vega Industries in Porirua.
4154 Rumsey, a minor planet, is named for him.
The citation reads:
In 1973, he was awarded the T. K. Sidey Medal, an award set up by the Royal Society of New Zealand for outstanding scientific research. Foreign many years, he was on the council of the Royal Astronomical Society of New Zealand, was elected a fellow in 1969, and served as its president in 1974/75.
He was one of the people who established the Wellington Astronomical Society. Rumsey died on 9 January 2007.
