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
Transport in Melbourne and South Australia. Freight transport also makes up a significant proportion of trips made on the network from the Port of Melbourne, Melbourne Airport and industrial areas across the city. According to the 2016 Australian census, Melbourne has the second-highest rate of public transport usage among Australian capital cities for travel to work at 19 percent, second to Sydney's 27 percent. Melbourne has the most road space per capita of any Australian city, with its freeway network being comparable to Los Angeles and Atlanta in terms of its size and scale. Much of Australia's automotive industry was located in Melbourne