[1] He was the General Secretary of the Bible and Medical Missionary Fellowship[3] until 1959, when he was ordained after studies at Ridley Hall, Cambridge.
[3] Shortly after ordination, he emigrated to Australia to serve as federal secretary of the Church Mission Society there; he was also made an honorary canon of St Andrew's Cathedral, Sydney in 1963.
[1] Dain was a prominent leader of the Evangelism movement, and closely associated with Billy Graham throughout his ministry.
He was a published author – of Mission Fields To-day in 1956 and of Missionary Candidates in 1959 – and he was made an Officer of the Order of the British Empire (OBE) in 1979.
He retired to Lindfield, West Sussex[1] (United Kingdom) and served the Diocese of Chichester as an honorary assistant bishop from 1987 until his death.