Annie Jump Cannon (December 11, 1863 – April 13, 1941) 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.
Read more about Annie Jump Cannon: Family, Education, Professional History, Awards and Honors
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—Ralph Waldo Emerson (1803–1882)