Born at Springfield House, Hall Lane, Bradford on 28 February 1893, the eldest child of Samuel Lodge, OBE, MD, who survived him, dying on 19 March 1934, and Winifred Durham Garbutt his wife. His father and grandfather had practised in Bradford and his mother was the daughter of a medical man. Sam

Born on 4 July 1890 at West Hartlepool, Durham, where his father Thomas George Ainsley (MRCS 1877, MD Durham) was in practice. His mother's maiden name was Hill. He was educated at Malvern College, at Caius College, Cambridge, where he took second-class honours in the Natural Sciences Tripos, part 1