Education
He attended a primary school run by Dominican nuns and was taught by his father for his secondary education.
He attended a primary school run by Dominican nuns and was taught by his father for his secondary education.
He became Professor of Modern History at University College Dublin in 1949. In 1953, in a series of articles in the Leader and Irish Press, he accused the war-time Irish Minister to Spain, Leopold Kerney, of having been a Nazi collaborator. Kerney sued him and the two publications for libel.
He worked for the British Foreign Office and was a member of British Intelligence during the Second World War.