. "American geologist" . . "1921Z"^^ . "Marvin, Ursula B."@en . "Ursula Bailey Marvin (born August 20, 1921) is an American planetary geologist and author who worked for the Smithsonian Astrophysical Observatory. She won the 1997 Lifetime Achievement Award from Women in Science and Engineering. In 1986, the Geological Society of America awarded her their History of Geology Award. She also won the 2005 Sue Tyler Friedman Medal, and Antarctica's Marvin Nunatak is named in her honor."@en . . . "Ursula B. Marvin"@en . "1921-08-20Z"^^ .