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
British Caledonian in the 1980s felt that operating a turboprop on trunk routes would meet with passenger resistance as by that time most people had become accustomed to travelling on jets on these routes. In 1981, BCal applied to the UK and Australian authorities for permission to launch a fully fledged, three-class scheduled service between Gatwick and Brisbane (via Colombo and Melbourne), and between Gatwick and Adelaide (via Perth), at a frequency of two flights a week each, in both directions. BCal proposed to inaugurate what would have been the first ever scheduled operation "Down Under" by a wholly private, British independent airline with McDonnell