Annie Jump Cannon

American astronomer (1863-1941)

Annie Jump Cannon (11 December186313 April1941) was an American astronomer whose cataloging work was instrumental in the development of contemporary stellar classification. With Edward C. Pickering, she is credited with the creation of the Harvard Classification Scheme, which was the first serious attempt to organize and classify stars based on their temperatures and spectral types. She developed the mnemonic "Oh! Be A Fine Girl — Kiss Me!" used by students to memorize the spectral classification of stars. She was nearly deaf throughout her career after 1893, as a result of scarlet fever. She was a suffragist and a member of the National Women's Party.

Annie Jump Cannon in 1922


  • In our troubled days it is good to have something outside our planet, something fine and distant for comfort.
    • Logan Hennessey Annie Jump Cannon: 1998, Whitin Observatory, Wellesley College, Wellesley MA 02481.
  • Oh! Be A Fine Girl — Kiss Me!
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