Education
D.Phil., Regent's Park College, Oxford University, 1977; M.Div., Asbury Theological Seminary, 1973; B.A., The Queen's University of Belfast, 1970

Teaching Specialties
Religious epistemology,  John Wesley, doctrine of revelation, systematic theology, philosophy of religion, evangelism

Research Interests
Wesleyan and Methodist theology, Cardinal Newman, renewal movements in Christianity, ecclesiology, divine revelation, theological education

Selected Publications
Canon and Criterion in Christian Theology (Oxford: Clarendon Press, 1998); Waking from Doctrinal Amnesia (Nashville: Abingdon Press, 1995); The Logic of Evangelism (Grand Rapids: Eerdmans, 1989); The Rationality of Religious Belief, edited with Steven W. Holtzer (Oxford: Clarendon Press, 1987); Divine Revelation and the Limits of Historical Criticism (Oxford: Oxford University Press, 2000); An Introduction to the Philosophy of Religion (Englewood Cliffs, NJ: Prentice-Hall, 1985)

Professional Distinctions
Ordained elder, Southwest Texas Conference, United Methodist Church; member, General Commission on Unity and Interreligious Concerns of the  United Methodist Church (1992-present); recipient of Pew Evangelical Scholars Program Grant, Pew Charitable Trusts (1993-1996); Joint Book of the Year Award from the Institute of Christian Studies for Canon and Criterion in Christian Theology (1999)