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 Connell Sr. Cyril Connell Sr. Cyril John Connell CBE (6 June 1899 – 25 October 1974) was an Australian university registrar and rugby league footballer and administrator. His son Cyril Connell Jr. also went on to become a successful rugby league footballer in his era. Connell was born in Sydney, New South Wales and in his youth he fought in World War I, serving with the Australian Imperial Force in France. In 1922 he was of the first Queensland team to defeat New South Wales. After retiring from the football field Connell also served as an administrator for the Queensland Rugby League.