Jerome J. Platt is a retired medical school professor of psychiatry, research director and research dean who has been an active collector and researcher of British medals for over 40 years. Originally trained as a psychologist, Dr Platt is the author or editor of over a dozen books on drug addiction, research and psychological issues, and co-author of the Spink titles British Historical Medals of the 17th Century: Medallists, Books, Authors, Collectors, Booksellers & Antiquaries and The English Civil Wars: Medals, Historical Commentary & Personalities.