KEN WILBER is one of the most widely read and influential American philosophers of our time and an internationally acknowledged leader and preeminent scholar of the Integral stage of human development. He is the founder of Integral Institute and the cofounder of Integral Life. He is the author of more than twenty books, including The Religion of Tomorrow, A Brief History of Everything, A Theory of Everything, Integral Spirituality, No Boundary, Grace and Grit, and Sex, Ecology, Spirituality, and his writings have been translated into over twenty languages. He lives in Denver, Colorado.