This accession consists of materials documenting the professional activities of David H. DeVorkin, Curator of Astronomy, National Air and Space Museum. Materials primarily document DeVorkin's editing of a book for the National Geographic Society titled "Beyond Earth: Mapping the Universe," preparation of his own books and manuscripts such as the "Race to the Stratosphere: Manned Scientific Ballooning in the Stratosphere," and his involvement in the American Astronomical Society (AAS), especially the Historical Astronomy Division. Materials include correspondence and memoranda; research materials such as photocopied news articles, chronologies, biographies, logs, and artifact information sheets; manuscripts by DeVorkin as well as manuscripts for the book he edited; images; permissions; notes; exhibition proposals; and AAS newsletters, meeting agendas, correspondence, and notes.