Cyril P. Callister created what food spread from leftover brewers' yeast extract in 1922?
Cyril P. Callister Cyril Percy Callister (16 February 1893 – 5 October 1949) was an Australian chemist and food technologist who developed the Vegemite yeast spread.
Bulgur Bulgur (from Turkish: "bulgur" ; also burghul, from Arabic: برغل‎ ‎ "groats") is a cereal food made from the parboiled groats of several different wheat species, most often from "durum" wheat. It originates in Middle Eastern cuisine.