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
Shortages in Venezuela avoids or rebukes issues brought to him by Venezuelans regarding their diets. Many Venezuelans have criticized his response to the nation's hunger on state television. During one state address in early 2017, President Maduro joked about how one member of his staff had begun looking skinny, with the member saying "I’ve lost about 44 pounds since December" due to the "Maduro diet". Maduro replied, saying the "Maduro diet" worked as an aphrodisiac. Medical shortages in the country hampered the medical treatment of Venezuelans. Shortages of antiretroviral medicines to treat HIV/AIDS affected about 50,000 Venezuelans, potentially causing thousands them with HIV