John Cunningham Geikie was a minister and author. He worked as a Presbyterian missionary in Canada. In 1860 he returned to the U.K. and held a Presbyterian minister position at Sunderland and at Islington Chapel. In 1876 he was ordained deacon in the Church of England and priest next year. He was curate of St. Peter's, Dulwich (1876–79), rector of Christ Church, Neuilly, Paris (1879–81), vicar of St. Mary's, Barnstaple (1883–85), and vicar of St Martin at Palace, Norwich (1885–90). In 1890 he retired for health reasons.