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
What Did You Do in the War, Daddy? plans an escape for the men through the labyrinth with Oppo and Christian, after which they can retake the town from the Germans. The first men are soon escaping, but Cash, disguised as a woman, is abducted by a German officer. Gina Romano is also taken by the Germans and hears that the prisoners will be shot in the morning. Escaping their captors, Cash reunites with Gina, and she tells him of the impending execution. When a few German troops discover the escape, the escapees subdue them and devise a plan to abduct Germans, dress them in their uniforms, and