Bachelor cum laude, Baylor University, 1947. Master of Arts, University Houston, 1958. Bachelor's Degree, Southwestern Baptist Seminary, 1957.
Doctor of Theology, Southwestern Baptist Seminary, 1961. Postgraduate, Oxford University, England, 1972.
Pastor Baptist churches, Texas, Arkansas, 1939-1961. Superintendent missions. Southern Baptist Convention, Detroit, 1961-1966.
Professor missions Golden Gate Baptist Seminary, 1966, director World Mission Center, 1979, senior professor, 1992.
Lecturer, consultant in 115 cities outside United States, 1969-1982. Vice president Conference City Mission Superintendent, Southern Baptist Convention, 1964-1966.
Trustee Michigan Baptist Institute, 1963-1966. Member San Francisco Inter-Faith Task Force on Homelessness.
Member International Association Mission Study, American Society Missiology, Association Mission professors Company-editor: The Mission of the Church in the Racially Changing Community, 1969.
Married Dorothy Anne Sessums, August 28, 1940. Children: Elizabeth Anne Parnell, Frances Jeannine Huffman, Jonathan Michael Dubose, Celia Danielle Dubose.