Throughout his book Pinomaa is concerned to show the existential character of faith in Luther's understanding and how that is determinative for all that is involved in being a Christian.
Lennart Pinomaa was Professor of Theology at the University of Helsinki, Finland. Widely known in ecumenical circles for his Luther research, Pinomaa wrote this book as a result of a series of lectures he delivered at the Lutheran School of Theology at Chicago and Luther Seminary, St. Paul, Minnesota.
Walter J. Kukkonen was Professor of Theology at Lutheran School of Theology at Chicago.