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
1921 in Australian literature repeated, ordered alphabetically by surname) of deaths in 1921 of Australian literary figures, authors of written works or literature-related individuals follows, including year of birth. 1921 in Australian literature This article presents a list of the historical events and publications of Australian literature during 1921. For an overview of world literature see 1921 in literature. "See also:" 1920 in Australian literature, 1921 in Australia, 1922 in Australian literature. A list, ordered by date of birth (and, if the date is either unspecified or repeated, ordered alphabetically by surname) of births in 1921 of Australian literary figures, authors of written works