George S. Hendry was a Scottish Presbyterian who taught theology at Princeton Seminary from 1949 to 1973. He considered his 20 years in pastoral ministry and an active life of prayer essential to his teaching profession. Seminary professors should have firsthand knowledge of the world into which many of their students are headed, he believed, and theology should be integrally connected with the life of the church. To take the measure of other theologians, he would read what they had to say about prayer. If a theologian took prayer seriously, Hendry took that theologian seriously, even if he had theological objections. “Prayer is the life line of theology,” Hendry said (Theology Today, October).