John B. Cobb, Jr. is an American theologian, philosopher, and environmentalist. Described by historian Gary Dorrien as one of the two most important North American theologians of the twentieth century, Cobb is the preeminent scholar in the field of process philosophy and process theology, and the author of more than fifty books. In 2014, he was elected to the American Academy of Arts and Sciences. Cobb is a founding co-director of the Center for Process Studies and Professor Emeritus of Claremont School of Theology and Claremont Graduate University.