The town where J. Gresham Machen, the founder of the Orthodox Presbyterian Church, last preached before his death has shown up again in the news, this time in a horrible way. While Machen's direct denominational influence was fairly narrow, as the key leader of the secession from the Northern Presbyterians and founder of Westminster Theological Seminary, Machen has a lasting role in American Calvinism that is far larger than the Orthodox Presbyterian Church which he founded. In his own lifetime, however, Machen's role was even more important and went well beyond Reformed circles. As a professor at Princeton Theological Seminary,...