Due to chronic illness, he left active medicine and wrote on history of medicine, publications including, The Last Days of Charles II (1909), The King's Evil (1911) and Plague and Pestilence in Literature and Art (1914).[5] 1918–1919 Sir D'Arcy Power[6] Physician at St Bartholemew's, Power was a prolific writer of medical history.[7] He later recalled how the section was "more like a family than an integral part of a great scientific society".[1] D'Arcy Power 1920–1922 Professor Charles Singer[8] Physician, pathologist and historian, he was invited to Oxford by William Osler in 1914, later becoming professor in history of medicine at University of London in 1930. One of the original history section members, Singer retained his position as editorial representative for twenty three years and maintained a high quality of the section's publications.