9 Sept. 1886–29 Aug. 1966
Clark served as a pastor in St. Louis, Mo. (1911–17), and then was correspondent of the St. Louis Republic and the New York Tribune from England, France, and Italy, and covering the American armies in the field, from 1917 to 1918. He was special publicity secretary of the American YMCA in England, Scotland, Ireland, and France in 1918. From 1919 to 1920, he was the national publicity director of the Centenary Commission of the Methodist Episcopal Church, South, raising a $53 million fund; he served in the same capacity for the Christian Education Commission of the Methodist Episcopal Church, South, raising a $33 million fund. He was editorial secretary of the Board of Education of the Methodist Episcopal Church, South, from 1923 to 1926 and assistant secretary of the Board of Missions from 1926 to 1938. He was editor of World Outlook (1938–52) and, after 1940, also editorial secretary of the Board of Missions and Church Extension of the Methodist Church. He was the guiding light of the World Methodist Council, the American Association of Methodist Historical Societies, and Methodist History (1962). In 1956 he scheduled the World Methodist Conference at Lake Junaluska.
Clark was a prolific writer. His mission study books include Healing Ourselves, The Task Ahead, Thy Kingdom Come, and The Church and the World Parish. Other books and booklets (interpretive and promotional) include The New Evangelism, The Church Efficiency Movement, The Centenary Book of Facts, Talking Points on Christian Education, The Book of Home Mission Specials, The Rural Church in the South, The Negro and His Religion, The Latin Immigrant in the South, The Rebirth of Protestantism in Europe, What's the Matter in China? Methodism Marches On: The Story of Methodism Around the World, Latin America (with Harry C. Spencer), The Chiangs of China, The World Methodist Movement (with Ivan L. Holt), The Methodist Evangel. He also wrote Social Studies of the War; The Psychology of Religious Awakening; The Small Sects in America ; pamphlets on Francis Asbury, Charles Wesley, Isaac Watts, and the Wesley family; and a 200-page history, Methodism in Western North Carolina.
At Lake Junaluska, Clark assembled the world's largest Methodist print collection, the largest and finest collection of Wesley art objects, several Salisbury paintings, numerous Wesley manuscripts and several thousand old and rare volumes (estimated at one hundred thousand dollars in 1952). He helped restore Epworth, birthplace of John Wesley, and the home of Francis Asbury near Birmingham in England. He traveled to Europe twelve times. He compiled An Album of Methodist History, one of his best-known works, and with others edited The Journal and Letters of Francis Asbury in three volumes. Birmingham Southern College conferred on him the degree of Litt.D. and Southwestern University that of Doctor of Literature.
Clark was married to Mary Alva Yarbrough in 1923. He lived in Nashville and New York until his home, Amen Corner, was built at Lake Junaluska in 1941. At the time of his death, while in semiretirement, he was working on the Encyclopedia of World Methodism. He died in Birmingham, Ala., and was buried in Woodlawn Memorial Park in Nashville, Tenn. His career was chronicled in Elmer T. Clark Memorial Edition (Methodist History) in 1971; the World Methodist Building at Lake Junaluska has a painting of him by Salisbury.