(THIS DOCUMENT IS THE PROPERTY OF HIS BRITANNIC MAJESTY'S GOVERNMENT). SECRET. .F.C. (40) 67. COPY NO. 9TH DECEMBER, 1940. WAR CABINET SCIENTIFIC COMMITTEE ON FOOD POLICY. Production of Yeast from Molasses. Copy of a letter from Professor Watson to Mr. Rickett dated 2nd December 1940. Dear Rickett, The yeast problem has a long history. Some time before the war the Agricultural Research Council set on foot experiments to test its value as food for pigs and cattle. These shew that it has great value.