John Foster, the eldest son of John Robert Foster, an ophthalmic surgeon, and of Emily Jane (née Elliot) was born on 31 October 1903 in West Hartlepool. He was educated at Aysgarth School, Uppingham School and Caius College, Cambridge, before entering the London Hospital Medical School where he won

Thomas Keith Selfe Lyle was born on 26 December 1903, the son of Herbert Willoughby Lyle FRCS, (see *Lives of the Fellows* 1952-64) and his wife Elizabeth Ada (née Selfe). He was educated at Dulwich College, where he distinguished himself in the school, the OTC and the Rugby XV; at Sidney Sussex Col