: After earning her Ph.D. at the University of Chicago, Emma Perry Carr (1880-1972) taught in the department of chemistry at Mount Holyoke College until becoming professor emeritus in 1946. A pioneer in work on simple unsaturated hydrocarbons and on absorption spectra, Carr received the American Chemical Society's Francis P. Garvan Medal in 1937.
: Unidentified photographer
: Black and white photographic print
: Smithsonian Institution Archives
: Accession 90-105: Science Service Records, 1920s – 1970s - Science Service, now the Society for Science & the Public, was a news organization founded in 1921 to promote the dissemination of scientific and technical information. Although initially intended as a news service, Science Service produced an extensive array of news features, radio programs, motion pictures, phonograph records, and demonstration kits and it also engaged in various educational, translation, and research activities.
Owner: Smithsonian Institution
Source: Flickr Commons