John S. Oyer teaches European and Mennonite history at Goshen College, Goshen, Indiana, beginning in 1955. He did his graduate study at Harvard University, the University of Chicago (Ph. D.) and Heidelberg University. In 1964 he authored Lutheran Reformers Against Anabaptists (The Hague: Nijhoff). Since 1966 he has edited the Mennonite Quarterly Review, a journal of Anabaptist/Mennonite history. For his research activites he and his wife, Carol (Schertz), and their four children have resided for longer periods of time in Germany, Austria and Switzerland. Since 1949 he and his wife have been members of College Mennonite Church, Goshen, Indiana.