English electronic engineer (1849-1945), inventor of thermionic valve. Widely considered to be 'the founder of electronics'. All three items good though grubby and on slightly discoloured paper. Item three dog-eared and grubby in top left-hand corner. All signed 'J. A. Fleming' and bearing the Society's stamp. ITEM ONE (two pages, quarto, 15 November 1915, University College, Gower St, to Wood, docketed): On the subject of a paper he proposes to give to the Society entitled 'The Organisation of Scientific Research'.