Professor Mary Brenda Hesse, M.A., (Hon.)Sc.D., B.Sc., M.Sc., Ph.D. (London), FBA, Honorary and Emerita Fellow of Wolfson College (Fellow 1965–92 and Vice-President 1976–80), Emerita Professor of the Philosophy of Science, died on 2 October 2016, aged 91 years (see also p. 59).