PM scholar, born in Wisconsin on 25 May 1887. His family settled in England in 1897, then in Sierra Leone, where his father became superintendent of the Countess of Huntingdon's Connexion's mission. He himself was Principal of the PM Training Institute for teacher-evangelists at Oron, Eastern Nigeria, 1911-1923. From 1926 to 1954, apart from two years as a visiting Professor in the USA, he taught at Kingsmead College, Selly Oak, becoming Professor of Missions in 1945 and influencing many generations of missionaries. His magnum opus, the four-volume The Planting of Christianity in Africa (1948-1958) earned him the nickname 'the Eusebius of Africa'. He died on 25 March 1973.