President of the Oxford Union (1902). Served in the First World War, and in 1914 contributed to the series of pamphlets Why we are at War, on the importance of upholding international law; Professor of Moral Philosophy, Glasgow University (1922-1924); Master of Balliol College, Oxford (1924-1949); Vice-Chancellor of Oxford University (1935-1938); Principal of University College of North Staffordshire (1949-1952).