Copy letter from John David Griffith Davies, to Sir Henry Thomas Tizard, Magdalen College, Oxford 'Dear Sir Henry [Tizard, Foreign Secretary of the Royal Society], I expected that you would have been in the office this week to sign the letter which you asked to be typed. As you have not been in I enclose it for your signature and despatch. I also enclose a note about the cable to the U.S.S.R. Yours sincerely, [John David Griffith Davies] Assistant Secretary [of the Royal Society]' 4 May 1945