Kathleen Beyer Blackburn (1892-1968), sitting in chair

Description: The distinguished British botanist Kathleen Beyer Blackburn (1892-1968) taught at Armstrong College, Newcastle upon Tyne. In 1926, Science News Letter reported that "plants as well as animals have in their cells bits of living matter known as the sex chromosomes." This photograph was taken when she was attending a scientific meeting in the United States...Creator/Photographer: Unidentified photographer..Medium: Black and white photographic print..Repository: Smithsonian Institution Archives ..Collection: 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...Accession number: SIA2007-0252