Born 15 March 1900, the only son of John Boyd Cramsie, a company director, and his wife Jessie Hailing McIntyre. He was educated at Sydney Grammar School and University, where he served as demonstrator of anatomy. He was also clinical assistant at St Vincent's Hospital, Sydney. Cramsie took the Fellowship in 1929, though not previously a Member of the College, and spent some years in England. He practised for a time at 59 Queen Anne Street, London, and also at Leicester, where he was elected to the staff of the Royal Infirmary. He returned to Australia, practised for some years at Sydney, and died at his home 166 New South Head Road, Edgecliff, on 21 August 1946, aged 46.