Rev. Dr. Reginald John Campbell (29 August 1867 – 1 March 1956), British Congregationalist and Anglican divine who became a popular preacher while the minister at the City Temple and a leading exponent of 'The New Theology' movement of 1907. His last years were spent as a senior cleric in the Church of England.
Born at Bermondsey in London, the second of four sons and one daughter of John Campbell (born 1841), a United Free Methodist minister of Scottish descent, and his wife, Mary Johnston, he was registered at birth as John Wesley Campbell, which name also appears on his first marriage certificate in 1889. A brother was the writer James Johnston Campbell. At a few months old Campbell went to live with his maternal grandparents, John Johnston and his wife, near Belfast in Northern Ireland because of his delicate health. Here, later, he was home tutored.
After the death of his grandfather in 1880, aged 13 he rejoined his parents in England, where he was educated at grammar schools in Bolton and Nottingham, where his father successively removed. After studying at University College in Nottingham, he taught in the high school at Ashton, Cheshire from 1888, where the Headmaster was the Rev. F. H. Mentha, MA. His influence over Campbell made him receptive to the Oxford Philosophy proclaimed by Dean Paget. This resulted in his confirmation in the Church of England and in his preparation for the priesthood. A boy at the school wrote of Campbell to his predecessor: