Kenneth Mackenzie MacLeod graduated BA Columbia University, New York, in 1926, and then studied at Cornell where he obtained the MD degree in 1929. He continued post-graduate study in Edinburgh, and at the Middlesex Hospital and passed the Conjoint Diploma examination in 1930. He was senior house-surgeon at the Essex County Hospital, Colchester, and surgical clinical assistant at the National Temperance Hospital. He also worked as surgeon to Ronkswood Hospital, Worcester. MacLeod obtained the FRCS in 1948 and became deputy medical superintendent and surgeon to the Dartford County Hospital. He belonged to the Orthopaedic Section of the Royal Society of Medicine. When he retired he lived in North London and died in 1967.