Alexander was born in Taradale, Hawkes Bay, and educated at Napier Boys High School and the Otago Medical School, graduating MB ChB in 1939. He was house surgeon at Wellington Hospital in 1940-1941. He served with the New Zealand Army Medical Corps 1942-1945 and was RMO to 8th Brigade in the Pacific

David Robertson was born in August 1916 in Auckland, a son of Sir Carrick Robertson. He was educated at Wanganui Collegiate School where he represented the school in rugby, rowing and swimming. He studied medicine first at Dunedin and then at Melbourne, where he won an anatomy scholarship under Prof

Born on 16 September 1915 in Auckland, New Zealand, Jim was the son of James Tyler, the city engineer of Auckland, and his wife Eva, née Mackenzie. He was educated at Auckland Grammar School and Otago Medical School, whence he qualified MB ChB in 1938. After qualifying he worked at Auckland Public H