 contribute chapters on this issue of justification. John Gerstner, who was professor for many years at Gordon-Conwell Seminary in Boston, where Scott Hahn got his seminary education, he talks in the chapter that he contributed to this book, he talks about how he mourned, M-O-U-R-N-E-D, how he mourned for his former seminary student, Scott Hahn, when he learned that Scott had become Catholic.