Cyril Percy Callister was an Australian chemist and food technologist who developed the Vegemite yeast spread. As well as Vegemite, he is known for his contributions towards processed cheese.
Cyril Callister
Sign marking the birthplace of Cyril Callister
Vegemite is a thick, dark brown Australian food spread made from leftover brewers' yeast extract with various vegetable and spice additives. It was developed by Cyril Callister in Melbourne, Victoria, in 1922, and it was first sold in stores on 25 October 1923.
Vegemite on toast
Different Vegemite jars – National Museum of Australia Originally introduced in 57 g (2 oz) milk glass jars and in sizes up to a 2.7 kg (6 lb) tin, from 1956 Vegemite was sold in clear glass jars.
The newer Cheesybite beside the original Vegemite