Leather-bound pocket notebook inscribed on inside cover ‘D M Needham Master’s Lodge Caius College’. Used from the front for notes 18 October and 3 December on a planned 1972 Royal Society Symposium, and notes on talks by H Huxley 24 January and A G Szent-Györgyi 29 January 1973. At the back are miscellaneous notes on the literature etc. Volume largely blank. Photograph found enclosed in pocket at front of book.