William R. Muehlberger


William Rudolf "Bill" Muehlberger, Professor of Geology at University of Texas at Austin, was the geology Principal investigator of both the Apollo 16 and 17 missions to the Moon, for National Aeronautics and Space Administration. He died of natural causes on September 14, 2011.
The Apollo 16 Moon rock, Big Muley, is named after Muehlberger.