Born on 9 June 1887 at Ely Place, Dublin, son of Walter Doolin, an architect, he was educated first by the Marist Fathers, and later by the Jesuits at Clongowes Wood College. He matriculated in the Royal University of Ireland 1904 and had a distinguished undergraduate career at University College, D

Born at Smyrna on 18 November 1855, the second son of Carsten Holthouse, FRCS, and Agnes Cowcher Kent his wife. Carsten Holthouse was serving in the Civil Hospital there during the Crimean War; he was then assistant surgeon, and afterwards surgeon and consulting surgeon to the Westminster Hospital.