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Helen Sawyer Hogg fonds
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Professional Associations

Records in this series document Dr. Hogg's involvement in numerous associations relating to the study of astronomy. The series, comprised mainly of correspondence, memoranda, reports, membership lists, newsletters, agenda and committee minutes, documents the various positions of authority she held in the leading national and international astronomical and scientific organizations. They cover a twenty-five year span including:

Program Director for Astronomy, United States National Science Foundation (1955-1956); president of the International Astronomical Union Subcommission on Variable Stars in Star Clusters (1955-1961); president of the Royal Astronomical Society of Canada (1957-1959); first woman president of the Physical Sciences section, Royal Society of Canada (1960-1961); president of the Royal Canadian Institute (1964); Councillor of the American Astronomical Society (1965-1968); first president of the Canadian Astronomical Society (1971-1972); honorary president of the Toronto Centre, Royal Astronomical Society of Canada (1972-1977) and honorary president of the Royal Astronomical Society of Canada (1977-1981).

The series also serves to document the wider activities of these organizations in addition to simply shedding light on the activities of Dr. Hogg alone. Notably, council and committee minutes strongly document the workings of the Toronto Centre of the R.A.S.C. between 1961-1986, the R.S.C. between 1955-1985 and the R.C.I. from 1954-1968. The activities of the IAU are also well represented. In particular, a series of reports and memoranda between 1952-1981 highlight the workings of Commission 27 on Variable Stars. Related records outlining the activities of these professional organizations can also be found in the General Professional Correspondence Series (Series I).

Arrangement is alphabetical by association, which include:

  • American Astronomical Society (AAS)
  • American Association of Variable Star Observers (AAVSO)
  • Canadian Astronomical Society (CAS)
  • International Astronomical Union (IAU)
  • National Research Council (NRC)
  • National Science Foundation (NSF)
  • Royal Astronomical Society of Canada (RASC)
  • Royal Canadian Institute (RCI)
  • Royal Society of Canada (RSC)

Articles, Manuscripts, Addresses

This is an extensive series, which documents Dr. Hogg's publishing activities. Since many of her published articles were addresses delivered at symposiums or reports made to professional committees, addresses and talks have also been included in this series. The files, usually titled by the name of the article, book or publisher contain not only manuscripts and drafts but related correspondence, notes, memos and outlines.

The arrangement of this series is as follows, starting from general articles to the specific endeavour

  • Bibliographies and lists of publications
  • General articles, addresses, contributions to encyclopedias
  • Obituaries
  • Academic Papers on Star Clusters
  • Bibliography and Catalogue of Star Clusters
  • Contributions to "Out of Old Books"
  • "The Stars Belong to Everyone"
  • Toronto Star Column
  • Miscellaneous Writings
  • Reprints

Records in this series document both Dr. Hogg's stature as an authority on variable stars and star clusters as well as her role as a teacher of popular astronomy. Draft articles and related notes and correspondence on numerous scientific papers as well as files documenting her contribution to encyclopedias and handbooks reflect both of these roles.

Notably, her work on various editions of "A Catalogue of Variable Stars in Globular Clusters" (1st ed. 1939, 2nd ed. 1955, 3rd. ed. 1973 and 4th incomplete), as well as her time spent on "A Bibliography of Individual Globular Clusters" (1947, 1st supplement 1963) is extensively documented through drafts, research data, original manuscripts. These records relate specifically to the card index found in Series IV, Star Cluster Files and Index Cards.

Graphic Records

Includes slides and photoprints documenting both Dr. Hogg's personal and professional life including family gatherings and events, trips, astronomical conferences, ceremonies, visits to various observatories. Also included are images she collected regarding the history of Astronomy as well as publicity shots of her taken for various publications.

Photoprints from B1996-0020 document the meeting of the International Astronomical Union Held in the Soviet Union [Russia], 1958. Helen Hogg, as well as other Canadian astronomers including A. Batten and S. van de Bergh, were present and can be seen in these shots.

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