Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [Frederick Frost] Blackman, FRS Reminds Dr [Frederick Frost] Blackman that the Obituary Notice for Prof. [Clement Arkadevich] Timiriazeff and Sir Francis Darwin is outstanding from May 1920 and December 1925 respectively. States that the Officers are anxious to have it in the next 3 weeks. Also reminds Blackman that the Royal Society never received the manuscript of his Croonian Lecture on 'The Problems of plant respiration considered as a catalytic progress', read in 1923. 20 November 1926