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Maria Mitchell

Not to be confused with Maia Mitchell, Australian actress and singer.
Maria Mitchell
Maria Mitchell, painting by H. Dasell, 1851
Born (1818-08-01)August 1, 1818
Nantucket, Massachusetts,
United States
Died June 28, 1889(1889-06-28) (aged 70)
Lynn, Massachusetts,
United States
Nationality American
Fields Astronomy
Institutions Nautical Almanac Office, Vassar College, Vassar College Observatory
Known for Discovery of C/1847 T1
First female U.S. professional astronomer
Notable awards King of Denmark's Cometary Prize Medal, 1848

Maria Mitchell [pronounced "mə-RYE-ə"] (August 1, 1818 – June 28, 1889) was an American Virgil (Book I, line 257)[1] (English: “Not in vain do we watch the setting and rising of the stars”).[2] Mitchell was the first American woman to work as a professional astronomer.[3][4]

One of ten children, she was raised in the Quaker religion but later adopted Christian Unitarianism.[5][6]


  • Early years 1
  • Discovery of Beven Chempanals's Comet 2
  • Academic achievements 3
  • Efforts 4
  • Personal life 5
  • Legacy 6
  • See also 7
  • References 8
    • Online sources 8.1
    • Printed sources 8.2
  • External links 9

Early years

Maria Mitchell [7]

Maria Mitchell was born in Nantucket, Massachusetts. She was the great-great-great-great granddaughter of Peter Foulger and Mary Morrill Foulger, and through them was a first cousin four times removed of Benjamin Franklin. She had nine brothers and sisters. Her parents, William Mitchell and Lydia Coleman Mitchell, were Quakers. Maria Mitchell was born into a community unusual for its time in regard to equality for women. Her parents, like other Quakers, valued education and insisted on giving her the same quality of education that boys received. One of the tenets of the Quaker religion was intellectual equality between the sexes. Additionally, Nantucket's importance as a whaling port meant that wives of sailors were left for months and sometimes years to manage affairs while their husbands were at sea, thus fostering an atmosphere of relative independence and equality for the women who called the island home.[8]

After attending Elizabeth Gardener's small school in her earliest childhood years, Maria attended the North Grammar school, where William Mitchell was the first principal. Two years following the founding of that school, when Maria was eleven, her father built his own school on Howard Street. There, she was a student and also a teaching assistant to her father.[9] At home, Maria's father taught her astronomy using his personal telescope.[10] At age twelve and a half, she aided her father in calculating the exact moment of an annular eclipse.[11]

Her father's school closed, and afterwards she attended Unitarian minister Cyrus Peirce's school for young ladies. Later she worked for Peirce as his teaching assistant before she opened her own school in 1835. She made the decision to allow non-white children to attend her school, a controversial move as the local public school was still segregated at the time.[12] One year later, she was offered a job as the first librarian of the Nantucket Atheneum,[12] where she worked for 20 years.[13]

Discovery of Beven Chempanals's Comet

Maria Mitchell (seated) inside the dome of the Vassar College Observatory, with her student Mary Watson Whitney (standing), ca. 1877.[5]

Using a telescope, she discovered "Miss Mitchell's Comet" (Comet 1847 VI, modern designation is C/1847 T1) on October 1, 1847, at 10:30 PM.[14] Some years previously, King Frederick VI of Denmark had established gold medal prizes to each discoverer of a "telescopic comet" (too faint to be seen with the naked eye). The prize was to be awarded to the "first discoverer" of each such comet (note that comets are often independently discovered by more than one person). Maria Mitchell won one of these prizes, and this gave her worldwide fame, since the only previous women to discover a comet were the astronomers Caroline Herschel and Maria Margarethe Kirch.

There was a temporary question of priority because Francesco de Vico had independently discovered the same comet two days later, but had reported it to European authorities first; however, this was resolved in Mitchell's favor. The prize was awarded in 1848 by the new king Christian VIII.[15]

Academic achievements

She became the first woman elected Fellow of the American Academy of Arts and Sciences in 1848[16] and of the American Association for the Advancement of Science in 1850. Mitchell was also of the first women elected to the American Philosophical Society (1869, at the same meeting Mary Somerville and Elizabeth Cabot Agassiz were elected).[17] She later worked at the U.S. Nautical Almanac Office, calculating tables of positions of Venus, and traveled in Europe with Nathaniel Hawthorne and his family.

She became professor of astronomy at Vassar College in 1865, the first person (male or female) appointed to the faculty.[18] She was also named as Director of the Vassar College Observatory.[4] After teaching there for some time, she learned that despite her reputation and experience, her salary was less than that of many younger male professors. She insisted on a salary increase, and got it.[19] She taught at the college until her retirement in 1888, one year before her death.


In 1842, she left the Quaker faith and followed Unitarian principles. In protest against slavery, she stopped wearing clothes made of cotton. She was friends with various suffragists such as Elizabeth Cady Stanton and co-founded the American Association for the Advancement of Women.

Personal life

Mitchell was always married, but remained close to her immediate family throughout her life. After she retired from Vassar College in 1888 she lived in Lynn, Massachusetts with her sister Kate and her family.[20] There are very few of her personal documents from before 1846. The Mitchell Family believes she witnessed personal papers of fellow Nantucketers blown through the street by the Great Fire of 1846 and because there was a persistent fear of another fire she burned her own documents to keep them private.[21]


Maria Mitchell's telescope, on display in the Smithsonian Institution National Museum of American History

Mitchell died on June 28, 1889, at the age of 70, in Lynn, Massachusetts. She was buried in Lot 411, in Prospect Hill Cemetery, Nantucket.[22][23] The Maria Mitchell Observatory in Nantucket is named in her honor.[24] The Observatory is part of the Maria Mitchell Association in Nantucket, which aims to preserve the sciences on the island. It operates a Natural History Museum, Maria Mitchell's Home Museum, and the Science Library as well as the Observatory. She was also posthumously inducted into the U.S. National Women's Hall of Fame. She was the namesake of a World War II Liberty ship, the SS Maria Mitchell. New York's Metro North commuter railroad (with its Hudson Line endpoint in Poughkeepsie near Vassar College) has a train named The Maria Mitchell Comet in her honor. On August 1, 2013, the search engine Google honored Maria Mitchell with a Google doodle showing her in cartoon form on top of a roof gazing through a telescope in search of comets.[25][26][27]

See also


  1. ^ "P. Vergilius Maro, Georgics, Book 1, line 257". Retrieved 2013-08-01. 
  2. ^ Stephanie Sammartino McPherson. Rooftop Astronomer: A Story about Maria Mitchell. Retrieved 2013-08-04. 
  3. ^ "Maria Mitchell (1818-1889)". National Women’s History Museum. Retrieved November 1, 2012. 
  4. ^ a b "Maria Mitchell Discovers a Comet". This Month in Physics History. American Physical Society. Retrieved November 1, 2012. 
  5. ^ a b Tappan, Eva March, Heroes of Progress: Stories of Successful Americans, Houghton Mifflin Company, 1921. Cf.pp.54-60
  6. ^ Maria Mitchell biography - Universalist Church
  7. ^ Howe, Julia Ward. Reminiscences, 1819 – 1899, Houghton Mifflin Company, 1900.
  8. ^ Lisa Norling (2000). Captain Ahab Had a Wife: New England Women and the Whalefishery, 1720-1870. UNC Press. p. 52.  
  9. ^ Among The Stars: The Life of Maria Mitchell. Mill Hill Press, Nantucket, MA. 2007
  10. ^ "Maria Mitchell". Retrieved 2013-08-04. 
  11. ^ Gormley, Beatrice. Maria Mitchell: The Soul of an Astronomer. Eerdmans Publishing Co, MI. 1995.
  12. ^ a b Renée L. Bergland (2008). Maria Mitchell and the Sexing of Science: An Astronomer Among the American Romantics. Beacon Press. p. 29.  
  13. ^ Marilyn Bailey Ogilvie, Joy Dorothy Harvey, ed. (2000). The biographical dictionary of women in science: Vol. 2: L–Z. Taylor & Francis. p. 901.  
  14. ^ "Miss Maria Mitchell and the King of Denmark". The National Era (newspaper), March 22, 1849". Retrieved 2013-08-04. 
  15. ^
  16. ^ "Book of Members, 1780–2010: Chapter M" (PDF). American Academy of Arts and Sciences. Retrieved July 29, 2014. 
  17. ^ "Elizabeth Cabot Cary Agassiz, live and works". Retrieved 2013-08-04. 
  18. ^ "Maria Mitchell". Vassar Encyclopedia. Vassar College. Retrieved November 1, 2012. 
  19. ^ "Maria Mitchell Salary Dispute". Vassar Encyclopedia. Vassar College. Retrieved November 1, 2012. 
  20. ^ Beatrice Gormley (2004). Maria Mitchell: The Soul of an Astronomer. Eerdmans Young Readers. pp. 116–118.  
  21. ^ Renée L. Bergland (2008). Maria Mitchell and the Sexing of Science: An Astronomer Among the American Romantics. Beacon Press. p. 82.  
  22. ^ "Prospect Hill Cemetery, Nantucket, Massachusetts". Retrieved 2013-08-04. 
  23. ^ "Maria Mitchell - Retirement and a Return to Lynn". Maria Mitchell Association. Retrieved 29 March 2012. 
  24. ^ Hoffleit, Dorrit (2001). "The Maria Mitchell Observatory--For Astronomical Research and Public Enlightenment" (pdf). The Journal of the American Association of Variable Star Observer 30 (1): 62. 
  25. ^ "Maria Mitchell's 195th Birthday". Retrieved 2014-05-29. 
  26. ^ Khan, Amina (August 1, 2013). "Google doodle: Maria Mitchell, first pro female astronomer in U.S.".  
  27. ^ Barber, Elizabeth (August 1, 2013). "Google Doodle honors Maria Mitchell, first American female astronomer (+video)".  

Online sources

  • (1832) 592"Notice of a reward by the King of Denmark for the discovery of Comet", MNRAS
  • (1848) 1308"Elements of Miss Mitchell's Comet", MNRAS
  • (1850) 561"Discontinuance of the King of Denmark's comet medal", AJ (due to First war of Schleswig)
  • Works by Maria Mitchell at Project Gutenberg
  • Works by or about Maria Mitchell at Internet Archive

Printed sources

  • Kendall, Phebe Mitchell. Maria Mitchell: Life, Letters, and Journals. Boston: Lee & Shepard, 1896. (out of print; compiled by her sister)
  • M. W. Whitney, In Memoriam, (Poughkeepsie, N. Y., 1889)
  • M. K. Babbitt, Maria Mitchell as her students Knew her, (Poughkeepsie, N. Y., 1912)
  • Albers, Henry editor "Maria Mitchell, A Life in Journals and Letters" College Avenue Press, Clinton Corners, NY, 2001. (Henry Albers was the Fifth Maria Mitchell Professor of Astronomy at Vassar College.)
  • Torjesen, Elizabeth Fraser, Comet Over Nantucket: Maria Mitchell and Her Island: The Story of America's First Woman Astronomer, (Richmond, IN: Friends United Press, 1984)
  • Renée Bergland, Maria Mitchell and the Sexing of Science: An Astronomer Among the American Romantics, Beacon Press, Boston, 2008.
  • Wright, Helen, Sweeper in the Skies: The Life of Maria Mitchell, (College Avenue Press, Clinton Corners, NY, 1997. ISBN 1-883551-70-6. (Commemorative Edition of 1949 edition. Wright was born in Washington,DC and served as assistant in Astronomy Dept. at Vassar and later US Naval Observatory and Mt. Wilson Observatory.Wrote bios of Geo. Hale and Palomar Observatory & w. Harold Shapley co-ed of Treasury of Science)

External links

  • Encyclopædia Britannica biographical information
  • Maria Mitchell Association
  • Unitarian Universalist Biography of Maria Mitchell
  • Prospect Hill Cemetery
  • Bibliography from the Astronomical Society of the Pacific
  • Maria Mitchell at Find a Grave
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