Unknown file type. Enclosure URL IS: - http://www.npg.si.edu/audio/blog_casselli_pt3_astronauts_09242010.MP3
Summary: Portraits of astronauts John Glenn, Bob Crippin and John Young, by Henry Casselli -- the artist discusses his work. Image: John Glenn / Henry C. Casselli, Jr. / Graphite and watercolor on paper, 1998 / National Portrait Gallery, Smithsonian Institution; Gift of Taylor Energy Company LLC
