Cyril P. Callister the University of Melbourne in 1931, with his submission largely based on his work in developing Vegemite. He was a prominent member of the Royal Australian Chemical Institute, helping it to get a Royal Charter in 1931. Callister died in 1949, following a heart attack and is buried at Box Hill Cemetery. A biography of Callister, "The Man Who Invented Vegemite", written by his grandson Jamie Callister, was published in 2012. Callister is the great uncle to Kent Callister, a professional snowboarder who has competed at the Winter Olympics for Australia. Cyril P. Callister Cyril Percy Callister (16 February 1893
Daddy, what did you do in the Great War? do in the Great War?" were not the only contributing factor to these recruitment figures, writing that recruiters "quickly decided that using the latest forms of mass advertising had a negative effect". The poster played on the guilt associated with not volunteering for wartime service. Karyn Burman writes that propaganda posters of the time "presented a carefully crafted image of manhood defining 'real' men as those who fought for their families, for King and Country." She cites this poster as an example of an image that was "designed to question a man's sense of self-worth". Daddy, what did you do