Letters between the Science Policy Committee and J B S Haldane Letters between T E Easterfield, Honorary Secretary of the Science Policy Committee, and J B S Haldane in which Haldane provides comments on the enclosed memorandum on "World Famines of Food and Coal: Suggested Policy". Haldane's comments are handwritten on the reverse of the Easterfield's letter. An offprint of G Pyke's letter on "Cyclo-Tractors" to the <i>New Statesman and Nation</i> is enclosed within the memorandum. 5 May 1946