Cyril P. Callister Cyril P. Callister Cyril Percy Callister (16 February 1893 – 5 October 1949) was an Australian chemist and food technologist who developed the Vegemite yeast spread. The son of a teacher and postmaster, and one of seven children, he attended the Ballarat School of Mines and later won a scholarship to the University of Melbourne. He gained a Bachelor of Science degree in 1914 and a Master of Science degree in 1917. In early 1915, Callister was employed by food manufacturer Lewis & Whitty, but later that year he enlisted in the Australian Imperial Force. After 53 days, however, he
Cyril Rushton Cyril Rushton Edgar Cyril Rushton (23 November 1922 – 23 August 1992) was an Australian politician who was a Liberal Party member of the Legislative Assembly of Western Australia from 1965 to 1988. He served as a minister in the governments of Charles Court and Ray O'Connor, including as deputy premier to O'Connor from 1982 to 1983. Born in Denmark, in Western Australia's Great Southern region, Rushton attended schools in Denmark, Mount Barker, and Katanning, before boarding at Scotch College in Perth. He served in the military during the Second World War, initially as a signaller in the Australian Army,