Born on 25 June 1876, fourth son of Christopher Heath (PRCS 1895-96, Emeritus Professor of Clinical Surgery at University College Hospital) and his second wife Gabrielle Nora Maynard, he was educated at St Paul's, University College and University College Hospital. He took first-class honours at his BS examination and in 1908 was elected a Fellow of University College. After a house-surgeoncy at Wolverhampton, he joined the staff of the Metropolitan, Gordon, and Evelina Hospitals. During the first world war he served in Egypt and Greece with the 15th General Hospital. He practised in London 1919-28, but then retired to Fleet, Hampshire where he served the Aldershot and Fleet hospitals from 1929 to 1946. He was chairman of the Aldershot and Basingstoke division of the British Medical Association 1943-45. Maynard Heath was a keen churchman, and took a practical interest in the care of the church and churchyard at Fleet. He died in Fleet Hospital on 3 April 1959 aged 82, survived by his wife and their son, Christopher Maynard Heath MD, ophthalmic surgeon to the Royal Cornwall Infirmary, Truro.