Letter from William B Hardy, secretary of the Royal Society, to the secretary of the War Office Notes that the attention of the Food Committee has been called to the fact that the rise in prices means that the soldier is receiving reduced quantity of energy from the foods he can obtain -- informs the secretary that the Committee is investigating the figures on calorie requirements, and asks if information on the calories of a soldier's diet and the effects on their work/weight. 3 November 1917