Cyril P. Callister created what food spread from leftover brewers' yeast extract in 1922?
Vegemite Vegemite ( ) is a thick, black Australian food spread made from leftover brewers' yeast extract with various vegetable and spice additives. It was developed by Cyril Percy Callister in Melbourne, Victoria in 1922. The Vegemite brand was owned by Mondelez International, but was acquired by the Australian Bega Cheese group following an agreement in January 2017.
Bar Keepers Friend Bar Keepers Friend is a brand of mass-produced cleaning agents. The original canned powder product has been manufactured and sold since 1882. It was invented by a chemist in Indianapolis, Indiana, where it continues to be manufactured by SerVaas Laboratories. The canned product's primary active ingredient is oxalic acid, and Bar Keepers Friend has several various cleaning uses.