For over sixty years Erland Waltner has served as pastor, Bible teacher, preacher, church conference leader, and administrator in church institutions and agencies. Waltner graduated from Bethel College, North Newton, Kansas in 1935. He finished his pastoral training at the Biblical Seminary in New York in 1938. During 1941-49 Waltner served as pastor of Bethel Mennonite Church, Mountain Lake, Minnesota. In 1949 he began teaching Bible and religion courses at Bethel College. From 1958 to 1978, Waltner served as president and professor at Mennonite Biblical Seminary. J. Daryl Charles teaches religion, culture, and Christian though at Taylor University, Upland, Indiana. Charles earned a bachelor's degree at West Chester State University and a master's degree in religious studies at Southern California College. He completed his doctoral work at Catholic University of America and Westminster Theological Seminary. He has contributed to periodicals such as First Things, Social Justice Review, Regeneration Quarterly, Journal of the Evangelical Theological Society, and Bulletin for Bibilcal Research.