Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir Joseph [John] Thomson, FRS Informs Sir Joseph [John] Thomson that the Society have decided to constitute a National Committee for Physics as recommended by the Conjoint Board. Notes which Societies will constitute the Committee and that the following have been elected to represent the Society: Sir William [Henry] Bragg, Sir Richard [Tetley] Glazebrook, Mr. [James Hopwood] Jeans, Professor [Frederick Alexander] Lindemann, Sir Arthur Schuster and Sir Joseph [John] Thomson. 6 December 1920