Michael Breidenbach is Associate Professor and Chair of History at Ave Maria University and Senior Affiliate for Legal Humanities at the Program for Research on Religion and Urban Civil Society at the University of Pennsylvania. He is author of Our Dear-Bought Liberty: Catholics and Religious Toleration in Early America (Harvard University Press, 2021) and co-editor of The Cambridge Companion to the First Amendment and Religious Liberty (Cambridge University Press, 2020). He has also written for publications such as The Atlantic, Washington Post, and First Things. Professor Breidenbach was elected Fellow of the Royal Historical Society in 2022 and has held research positions at Princeton University; St. John's College, Oxford; Corpus Christi College, Oxford; the Rothermere American Institute, Oxford; Wolfson College, Cambridge; Villanova University; McNeil Center for Early American Studies at the University of Pennsylvania; and the Collegium Institute. He received his B.A. from Northwestern University and his Ph.D. from King’s College, Cambridge. His work may be found at www.michaelbreidenbach.com