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
Australian contribution to the Allied Intervention in Russia 1918–1919 the Ukrainian anarchist Black Army and Black Guards, and warlords such as Ungern von Sternberg. Despite some pressure from Britain, the Australian Prime Minister, William Hughes, had refused to commit forces to Russia following the end of World War I in 1918. However, while no Australian units were engaged in operations there, many individuals did subsequently become involved through service with the British Army during the North Russia Campaign. They served in a variety of roles, including as advisors to White Russian units as part of the North Russian Expeditionary Force (NREF). About 150 men of the Australian Imperial Force