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 Steele Cyril Steele Henry Cyril Augustus Steele (11 June 1891 – 18 January 1939), commonly known as Cyril Steele, was an Australian rules footballer who played with University and Melbourne in the Victorian Football League (VFL). His football career was cut short by the declaration of World War I, as he was sent to the Western Front with his three brothers: Frederick Wilberforce Alexander Steele, Philip John Rupert Steele and Norman Leslie Steele. After his brothers were killed in action, he was sent home. Steele worked as a warehouseman and, after the war, he started his own company, Steele and Co.