Noted author and ecumenical leader. He was born on 10 May 1911 in Dublin, read law at Trinity College, Dublin and had his theological training at Edgehill College, Belfast. Influenced early on by the SCM, he became one of their staff members, which gave him important contacts. As London Secretary of the World Council of Churches Commission on International Affairs, from 1956 to 1970 he was in charge of their UK office and assisted in setting up the Institute for Strategic Studies in 1958. From 1970 to 1975 he was Director of Christian Aid. He died on 27 February 1990.