Cyril P. Callister called Vegemite, first sold by Fred Walker & Co in 1923. Working from the details of a James L. Kraft patent, Callister was successful in producing processed cheese. The Walker Company negotiated a deal for the rights to manufacture the product, and in 1926, the Kraft Walker Cheese Company Ltd was established. Callister was appointed chief scientist and production superintendent of the new company. Between 1919 and 1927 he had 3 children (two boys and a girl) named Ian, Bill and Jean. They were the original vegemite kids. During World War II Ian unfortunately died Callister got his Doctorate from
Valerie Callister Valerie Callister Valerie Joy Callister (born 16 June 1950) is a former Australian politician. She was born in Leongatha to farmer Herbert Charles Callister and Alma Joyce. She attended local state schools and received a Bachelor of Arts from the Gippsland Institute of Advanced Education, a Diploma of Education from the State College of Victoria, and a Graduate Diploma in Health Administration from La Trobe University. She worked as a schoolteacher, teaching at Traralgon from 1975 to 1981. She joined the Labor Party in 1976, and in a 1981 by-election was elected to the Victorian Legislative Assembly as the member