Filtering by: Creator Harris, Don (Photographer) Remove constraint Creator: Harris, Don (Photographer) People Blumenthal, George (George Ray) Remove constraint People: Blumenthal, George (George Ray) People Kraft, Robert P., 1927-2015 Remove constraint People: Kraft, Robert P., 1927-2015 People University of California, Santa Cruz Remove constraint People: University of California, Santa Cruz Topic Astronomers Remove constraint Topic: Astronomers