Michael Shepherd, CBE, FRCP, FRCPsych (Hon), FAPA (Corr), FAPHA (30 July 1923 – 21 August 1995) was one of the most influential and internationally respected psychiatrists of his time, formerly Professor of Epidemiological Psychiatry, Institute of Psychiatry and Consultant Psychiatrist, The Maudsley Hospital, London and author of a number of influential publications in the field of psychiatry, including the seminal work .