 During a five-year stint at the Mennonite Publishing House, he served as book editor and also wrote a history of the press, "God Uses Ink" (1958).Beginning in 1959 he held faculty teaching appointments at the University of Alberta, Penn State Abington (Penn State Ogontz campus), and Temple University where he retired in 1985.He lectured widely at colleges and universities and held several visiting professorships including five years (1986–1990) as a Distinguished Scholar-in-Residence at the Young Center for Anabaptist and Pietist Studies at Elizabethtown College, where his wife also held a teaching appointment.