David O’Hara is a professor in the department of Religion, Philosophy, and Classics at Augustana College, an ELCA Lutheran college in South Dakota, where he directs the philosophy program. He is the author of several books, including a book on C.S. Lewis' environmental vision. His most recent book, Downstream, is about faith, ecology, and fly-fishing for brook trout. O’Hara also contributes to the Chronicle of Higher Education and blogs here.