Donald Wallenfang, OCDS, Emmanuel Mary of the Cross, is Professor of Theology and Philosophy at Sacred Heart Major Seminary in Detroit. He is the author and editor of several books, including Shoeless: Carmelite Spirituality in a Disquieted World (Wipf & Stock, 2021), Emmanuel: Levinas and Variations on God with Us (Cascade, 2021), Human and Divine Being: A Study on the Theological Anthropology of Edith Stein (Cascade, 2017), and Dialectical Anatomy of the Eucharist: An Etude in Phenomenology (Cascade, 2017).