Alexander was born on 18 January 1902 in a family long associated with the stage, but from an early age was determined to follow a medical career. He was educated at George Watson's Academy and the University of Edinburgh, and qualified in 1925. He then held resident posts at Edinburgh, London and L

John O'Connell was a consultant neurosurgeon at St Bartholomew's. He was born in Manchester on 16 September 1906, to Irish parents. His father, Thomas Henry O'Connell, was a civil servant. His mother was Catherine Mary née O'Sullivan. He was educated by the Jesuits at Clongowes and later at Wimbledo