Born 26 November 1888, the elder son of Frank Marsh, FRCS, and Constance Hooper, his wife, who outlived her son. He was educated at Shrewsbury and at Trinity College, Cambridge, where he graduated with second-class honours in the Natural Sciences Tripos in 1910. He then entered St Bartholomew's,

Born on 16 July 1890, the third child and only son of James Hunter, a shipbroker, and Mary Hood, his wife; his parents both died while he was a child. He was brought up by his aunts at Ayr, and sent to Bedford School, where he proved a good Rugby player, and to St John's College, Cambridge, where he