 Having graduated, he moved to Glasgow to work with the Student Christian Movement (SCM) in 1931.He returned to Cambridge in 1933 to train for the ministry at Westminster College, and in July 1936 he was ordained by the Presbytery of Edinburgh to work as a Church of Scotland missionary at the Madras Mission.A month later he married Helen Henderson, and in September 1936 they both set off for India where they had one son and three daughters.