Born 21 May 1891, the only child of Robert Robertson (1864-1925), of the Indian Medical Service, and his wife Flora Mackinnon. His father was ultimately a lieutenant-colonel, IMS, and senior physician to the Madras General Hospital (Crawford's *Roll of the IMS*, Madras list, No 1500). Robertson was

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