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Jennie Lasby Tessmann

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Jennie Lasby Tessmann
A white woman wearing round eyeglasses.
Jennie B. Lasby, from a 1921 newspaper.
Born
Jennie Belle Lasby

(1882-08-23)August 23, 1882
Castle Rock, Minnesota
DiedDecember 9, 1959(1959-12-09) (aged 77)
Santa Ana, California
Resting placeFairhaven Memorial Park
Other namesJennie Lasby Tessman
Alma mater
Scientific career
FieldsAstronomy
Institutions

Jennie Belle Lasby Tessmann (August 23, 1882 – December 9, 1959) was an American spectroscopist and college educator. She was a "human computer" at Mount Wilson Observatory from 1906 to 1913, the first woman research assistant at the observatory. She taught astronomy and history at Santa Ana College from 1919 to 1946.

Early life

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Jennie Belle Lasby was born in Castle Rock, Minnesota, the daughter of Walter Lasby and Lavinia C. Freeman Lasby. Her father was born in Ontario, Canada, and her mother was from Wisconsin. She attended Carleton College, completing a bachelor's degree in 1904.[1] She earned a master's degree in astronomy at Mount Holyoke College in 1906.[2]

Career

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Lasby taught astronomy and mathematics at Mount Holyoke College during her graduate studies there.[2] She was hired as a computer at Mount Wilson Observatory in 1906. She was the first woman research assistant at Mount Wilson, starting a few months before Cora G. Burwell joined the same department.[3] In 1910, she attended the fourth conference of the International Union for Cooperation in Solar Research, when it was held at Mount Wilson.[4] She left Mount Wilson in 1913, after co-authoring several scientific publications, including a monograph with Walter Sydney Adams.[5] She became a member of the National Association for the Advancement of Science in 1921.[6]

In 1914, Lasby went to work on a spectroscopy project in Germany, but she returned the following year with the start of World War I. She worked briefly at Goodsell Observatory in Minnesota,[6] and was a librarian at Northfield, Minnesota.[7]

From 1919 to 1946, Lasby Tessmann taught history and astronomy at Santa Ana Junior College. She helped develop the Bishop Observatory in Orange County as a teaching facility.[8] She spoke to community groups often,[9][10][11][12] and was president of the City Teachers' League and the Business and Professional Women's Club, both in Santa Ana.[6][13][14]

Personal life

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Jennie Lasby married German scientist Heinrich Arnold Johannes (John) Tessmann in 1927, in Travemünde, Germany.[15] She died in 1959, in Santa Ana, aged 77 years. In 1967, Tessmann Planetarium at Santa Ana College was named in her memory,[16][17] and the Jennie Lasby Tessmann House is on the Santa Ana Register of Historic Properties.[18]

References

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  1. ^ Wilson, Herbert C.; Gingrich, C. H. (1901). Photographic Observations of Asteroids: Made with the 8-inch Refractor During the Years 1912-1916. Julia M. Hawkes, Elva G. Utzinger, Jennie B. Lasby (contributors). Carleton College.
  2. ^ a b Mount Holyoke College (1905–1906). Catalogue of Mount Holyoke College in South Hadley, Mass. pp. 13, 93.
  3. ^ Mount Wilson Observatory (1906). Annual Report of the Director of the Mount Wilson Observatory. Carnegie Institution of Washington. pp. 137, 178.
  4. ^ International Union for Co-operation in Solar Research (1910), photograph in the collection of the University of Chicago Photographic Archie.
  5. ^ Adams, Walter S.; Lasby, Jennie Belle (1911). An investigation of the rotation period of the sun by spectroscopic methods. Publication. Washington, D.C: Carnegie institution of Washington.
  6. ^ a b c "Miss Jennie Lasby Receives High Honor for Scientific Work". Santa Ana Register. 1921-10-28. p. 9. Retrieved 2020-12-04 – via Newspapers.com.
  7. ^ Library Notes and News. The Commission. 1916. p. 158.
  8. ^ "The Bishop Observatory - some history". Orange County Astronomers. 2002-12-27. Retrieved 2020-12-04.
  9. ^ "Jennie Lasby to Address P-T. A. at Mesa Tuesday". Santa Ana Register. 1926-11-01. p. 17. Retrieved 2020-12-04 – via Newspapers.com.
  10. ^ "Jennie Lasby Delivers Talk on Astronomy". Santa Ana Register. 1926-10-02. p. 6. Retrieved 2020-12-04 – via Newspapers.com.
  11. ^ "Jennie Lasby Talks Before Lions". Santa Ana Register. 1927-09-23. p. 9. Retrieved 2020-12-04 – via Newspapers.com.
  12. ^ "Girl Reserves Hear Address by Miss Lasby". Santa Ana Register. 1927-03-28. p. 7. Retrieved 2020-12-04 – via Newspapers.com.
  13. ^ "European Trip Described in Orange Speech". Santa Ana Register. 1928-05-15. p. 9. Retrieved 2020-12-04 – via Newspapers.com.
  14. ^ Tessman, Jennie Lasby (1929-02-08). "Preparing for Big Convention in Santa Ana". Monrovia Daily News. p. 7. Retrieved 2020-12-04 – via Newspapers.com.
  15. ^ "Miss Jennie Lasby Weds in Travemunde, Germany". Santa Ana Register. 1927-08-03. p. 5. Retrieved 2020-12-03 – via Newspapers.com.
  16. ^ "Santa Ana College Timeline - 1960s". Santa Ana College. Retrieved 2020-12-03.
  17. ^ "History of Jennie Tessmann: Orange County's Premiere Planetarium". Santa Ana College. Retrieved 2020-12-04.
  18. ^ Santa Ana Register of Historic Properties, page 17.
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