Born 1881 at Worcester, the younger son of Tom Bates, MRCS 1868, and Alice Mary Davis, his wife. The elder son, Tom Bates, was also a Fellow. Mark Bates was educated at King's School, Worcester, and at St John's College, Oxford, where he took third-class honours in physiology in the final school of

Born at Heywood, Lancashire on 19 May 1886, third son of James Diggle, consulting water engineer, and Rachel Alice Holt, his wife. He was educated at Rossall School and Manchester University, and studied medicine at St Bartholomew's and the London Hospital. He won medals in anatomy and gynaecology,