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Department Archives Remove constraint Department: Archives Genre Postage stamps Remove constraint Genre: Postage stamps

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    • 1980-May-31

    Philatelic First Day Cover honoring American social worker and activist Emily Bissell (1861-1948), best known for her work to combat tuberculosis and for introducing Christmas Seals to the United States. The cover bears…

    • 1948-Jan-05

    Philatelic First Day Cover honoring American agricultural scientist and inventor George Washington Carver (1864?-1943). The envelope features an illustrated rendering of Carver and the Tuskegee Institute, as well as a…

    • 1948-Jan-05

    Philatelic First Day Cover honoring American agricultural scientist and inventor George Washington Carver (1864?-1943). The envelope features an illustrated rendering of Carver and the George Washington Carver Museum in…

    • 1995

    United States postage stamp honoring Dr. Virginia Apgar (1909-1974), an American obstetrical anesthesiologist best known as the inventor of the Apgar Score used to quickly assess the health of a newborn child…

    • 1981-May-28

    Philatelic First Day Cover commemorating American marine biologist, author, and conservationist Rachel Carson (1907-1964). Part of the "Great Americans Series," the envelope bears the postmark of Springdale,…

    • 1973-Jun-10

    Semipostal stamps commemorating the 150th anniversary of the birth of Louis Pasteur. Includes two postmarks depicting Pasteur, with Pasteur also featured on the first day of issue cancel. A semipostal stamp is a postage…

    • 1979

    Cachet depicts Otto Hahn's equipment and the nuclear fission of uranium atoms. Stamp shows Hahn's diagram of the splitting of the uranium nucleus. Hahn was the Nobel Prize Winner for Chemistry in 1944.

    • 1963-Nov-21

    Stamps depict Niels Bohr, the equation for the Bohr frequency condition (an equation relating to light frequency and electrons), and a diagram of the Bohr model of a hydrogen atom.

    • 1967

    Depicts Wilhelm Conrad Röntgen, awarded the first Nobel Prize in Physics for the discovery of X-rays, along with an X-ray tube and an atom.

  1. Postcard image is of Albert Edelfelt's "Pasteur Dans Son Laboratoire" [Pasteur In His Laboratory]. Semipostal stamp depicts Louis Pasteur. Stamp includes surtax for the relief of unemployed intellectuals. A semipostal…

    • 1975

    Stamp issued during International Women's Year (1975), depicting Marie Curie, "discoverer of radium," by the former British colony Saint Christopher-Nevis-Anguilla (now called the Federation of Saint Kitts and Nevis.)