From the early nineteenth to the mid-twentieth century, an impressive group of English speaking intellectuals converted to Catholicism. Outspoken and gifted, they intended to show the fallacies of religious skeptics and place Catholicism, once again, at the center of western intellectual life. The lives of individual converts--such as John Henry Newman, G. K. Chesterton, Thomas Merton, and Dorothy Day--have been well documented, but Patrick Allitt...