Description: A twentieth century Renaissance man, Louis R. Purnell lived a remarkable life. His career began in the skies above Italy and Germany, where he flew 88 combat missions as an original member of the Tuskegee Airmen. After the war, while working at the National Museum of Natural History, he traveled the world’s oceans collecting marine specimens, taught himself geology and
Description: Geologist Dr. Ursula Marvin studied Moon rocks from the Apollo missions and meteorites in Antarctica. Throughout her career with the Smithsonian Astrophysical Observatory, Marvin championed women in science. She delivered lectures about her own experiences as a woman in geology and participated in programing to help advance women's careers. She was likely inspired to support
Description: [caption id="attachment_3071" align="aligncenter" width="300" caption="Spiral Galaxy Messier 81 (M81), 2003, Spitzer Space Telescope / IRAC, NASA / JPL-Caltech / S. Willner, Harvard-Smithsonian CfA"][/caption] You may in fact be, or just feel like, a big shot down here on earth. But, ever since airborne cameras started to photograph our little planet from above, and once they