Steven M. Duncan (January 12, 1954) earned his Ph.D. from the University of Washington in 1987. He is currently part of the adjunct philosophy faculty at Bellevue College where he has taught since 1999. He is the author of five books, including The Proof of the External World (Wipf and Stock, 2008). A new book, How Free Will Works, is now available from Wipf and Stock and Amazon. Specializations: epistemology, history of philosophy, and philosophy of religion. Steve is married to Corazon Pizarro and lives in Tukwila, WA. His hobbies include amateur theater and chess. He will be retiring from teaching at the end of 2015.