United Methodist Bishop Reuben Mueller was a central figure in the 1968 union of the Evangelical United Brethren and Methodist churches. He was the author of numerous articles and books including Becoming A Christian, Motive in Christian Teaching and The Living World. In 1963, he served as president of the National Council of Churches. He retired in 1972 after more than 50 years of ministry. In 1975, Indiana Central College endowed a Chair of Religion and Philosophy in his name.

Deceased.