Robert Hass’s recent books are The Apple Trees at Olema: New and Selected Poems and What Light Can Do: Essays 1985–2010. Time and Materials won the 2007 National Book Award and the 2008 Pulitzer Prize. His numerous other honors include the National Book Award and a MacArthur fellowship. He has served as U.S. poet laureate and cofounded the environmental education program River of Words. He teaches at the University of California Berkeley.