The man who invented vegemite, 2011 p. 2 (Cyril Percy Callister; Doctor of Science) p. 6, etc. (b. 1893, at Chute, Victoria; employed by Lewis & Whitty, based in Fitzroy, then became head chemist at Fred Walker & Company, Melbourne (subsequently the Kraft Walker Cheese Company) where he developed Vegemite in 1923; doctorate from the University of Melbourne; d. October 5, 1949)
Wikipedia, viewed April 24, 2013 (Cyril P. Callister; b. February 16, 1893; d. October 5, 1949; Australian chemist and food technologist who developed the Vegemite yeast spread; chief scientist and production superintendent of Kraft walker Cheese Company; member of the Royal Australian Chemical Institute)