Justin Collings is Professor of Law at the J. Reuben Clark Law School of Brigham Young University, where he has taught since 2013. He is the author of Democracy's Guardians: A History of the German Federal Constitutional Court, 1951-2001 (OUP, 2015). He holds both a PhD in History and a JD from Yale University and was a law clerk to the Honourable Guido Calabresi at the United States Court of Appeals for the Second Circuit.