Ferdinand Christian Baur (1792-1860) was professor of theology at the University of Tübingen from 1826 until his death. He was a prolific author and original thinker whose works have an impact still today.

Robert F. Brown is professor of philosophy emeritus at the University of Delaware. He has specialized in the history of philosophy and the philosophy of religion, with a focus on German idealism.

Peter C. Hodgson is Charles G. Finney Professor of Theology Emeritus at the Divinity School of Vanderbilt University. He has specialized in works by Baur and Hegel, as well as in contemporary issues of constructive theology.