AB, Princeton University, 1949; Doctor of Philosophy, Princeton University, 1959; Bachelor of Divinity, Yale University, 1955.
Missionary, instructor, Presbyterian Mission, Korea, Seoul, 1949-1952; missionary, professor, Presbyterian Church United States of America in Japan, Tokyo, 1959-1975; visiting professor, San Francisco Theological Seminary, San Anselmo, California, 1975-1982; associate director, Overseas Ministries Study Center, New Haven and Ventnor, New Jersey, since 1983.
Member organizing committee Council Asian Policies, Tokyo, 1970-1972. Member American Society Church History, American Academy Religion, Association professors of Mission (president 1986-1987), American Society Missiology.
Married Ruth Henning, June 29, 1957. Children: Catherine Ann, Marjorie Ruth.