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
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