Copy letter from Robert William Frederick Harrison, to Francis Darwin, Secretary, Royal Society 'Dear Mr Darwin, In reply to your enquiry, the Committee appointed to prepare the Congratulatory Address to Sir Joseph Hooker consists of yourself, Sir Archibald Geikie, Prof. [Professor Sydney John] Hickson, Prof. [Professor Edwin] Ray Lankester, and Prof. [Professor Albert Charles] Seward. The date of his ^Sir J Hooker's^ birth, according to "Who's Who", is June 30, 1817. Believe me, very truly yours, Robt [Robert] Harrison Assistant Secretary R.S. [Royal Society]'. 14 May 1907