Born at Castlerock, Co Derry on 26 July 1887, the son of William McCarter JP, he was educated at schools in northern Ireland and entered Trinity College, Dublin in 1906. He was senior moderator (first in the first class) in natural sciences and won the gold medal at the BA degree examination in 1910

Henry Forster was born in December 1888 and received his early education at Ashaw College, Durham, and St Francis Xavier's College, Liverpool. He studied medicine at Liverpool University and graduated with honours in 1912. Before this he had obtained his MSc degree for his work with Sherrington in t

Born at Brisbane, Australia on 6 September 1888, the third child and Second son of John Graham Brown, general manager of the Queensland Government Railways, and Amelia Morris, his wife. The family had come go Australia from Ulster. He was educated at Brisbane Grammar School, where he distinguished h

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,