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
Valerie Callister for Morwell. She was briefly unseated on a technicality in 1984, but served until 1988, when she retired. Following her retirement she worked as the regional Gippsland coordinator for Alcohol and Drug Services (1989–92), the Victorian state director of Greening Australia (1989–91), manager of the Moe/Narracan and Traralgon Community Health Centres (1992–95), operations manager (1995–97) and CEO (1997–2003) of the Latrobe Community Health Centre, president of the Latrobe Regional Hospital Board (2000–02) and regional director of the Department of Human Services (from 2002). Valerie Callister Valerie Joy Callister (born 16 June 1950) is a former Australian politician. She was born