Professor Emeritus, Trinity Evangelical Divinity School
Professor at the School of World Mission and Evangelism, Trinity Evangelical Divinity School (1967-1980)
Director of Missions and professor, Lancaster Bible College (1963-1967)
Teacher of Missions and New Testament, Providence Bible Institute, now Barrington College (1951-1963)
Otros aspectos destacados de la carrera
Alumnus of the Year Award, Moody Bible Institute (1981)
Pastor, Onward Gospel Church in Quebec
President of three missions organizations: The Association of Evangelical Professors of Mission (AEPM), The Midwest Fellowship of the AEPM, and the American Society of Missiology
Many years in missions work in China through the China Inland Mission (CIM)
Served in China during the Sino-Japanese War, WWII, and the Communist-Nationalist China Civil War (1935-1950)
Known for insights into crosscultural work and contextualization
Writings became standard texts at seminaries in missions training schools throughout the world
Publicaciones
Numerous articles for Moody Monthly, Christianity Today, Missiology, Eternity, and Evangelical Missions Quarterly
Author of 11 books, including The Progress of World-Wide Missions, A Global View of Christian Missions, A Concise History of the Christian World Mission, Life and Work on the Mission Field, and The Christian World Mission: Today and Tomorrow