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
1922 in France 1922 in France Events from the year 1922 in France. The year 1922 was signalized at its opening by the conference of Cannes, between France, the United Kingdom, and Belgium, which met to consider the situation created by Germany's declaration of her inability to pay what was demanded of her for 1922. The chief result of this conference was a decision to hold a general European conference at Genoa, and Aristide Briand, the French premier, signed with the British prime minister, David Lloyd George, a draft pact of guarantee which stated that "guarantees for the security of France against a