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
Trams in Melbourne bus use also went into decline and buses have never proved as popular with passengers as trams at any time in Melbourne's history. By the 1970s Melbourne was the only Australian city with a major tram network. Melbourne resisted the trend to shut down the network for three major reasons: partly because the city's wide streets and geometric street pattern made trams more practicable than in many other cities; partly because of resistance from the unions; and partly because the Chairman of the MMTB, Sir Robert Risson, successfully argued that the cost of ripping up the concrete-embedded tram tracks would