Mary N. Crawford, shown sitting next to blackboard
Description: Physician Mary N. Crawford worked at the Serum Exchange of the Children's Hospital of Philadelphia, where, in 1962, she discovered that she was one of a few people in the world with the rare blood type Lu (a-b-) and that her blood might be donated to a patient in Great Britain.
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: SIA2008-0695