Edward C. Pickering

Williamina Stevens Fleming and her Achievements in Astronomy

Williamina Stevens Fleming and her Achievements in Astronomy

On May 15, 1857, Scottish astronomer Williamina Paton Fleming was born. She helped develop a common designation system for stars and catalogued thousands of stars and other astronomical phenomena. Fleming is especially noted for her discovery of the Horsehead Nebula in 1888. Williamina Paton Fleming was born in Dundee, Scotland in 1857. She attended a public school and became a pupil-teacher when she was 14. She entered Harvard College Observatory as a…
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Annie Jump Cannon and the Catalogue of Stars

Annie Jump Cannon and the Catalogue of Stars

On December 11, 1863, American astronomer Annie Jump Cannon was born. Her 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. “A life spent in the routine of science need not destroy the attractive human element of a woman’s nature.” —…
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