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Annie Jump Cannon Scientist

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. She was nearly deaf throughout her career.

Personal facts

Birth date	December 11, 1863
Birth place	Dover Delaware
Date of death	April 13, 1941
Place of death	Cambridge Massachusetts
Known for	Stellar classification

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