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.
Paximathia Paximathia (Greek: παξιμάδια ), also spelt paximadhia and paximadia, is a hard bread of Greek origin that is prepared with whole wheat, chick pea or barley flour. It has been referred to as being similar to biscotti or as a type of biscotti. Paximathia is a common food in Greece and many Greek bakeries sell the bread, which is often served as a breakfast food with marmalade or cheese. Paximathia is purveyed in Greek specialty stores in many areas of the United States.