Annie Jump Cannon

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.

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How human 'computers' Annie Jump Cannon and Henrietta Swan Leavitt revolutionized astronomy

Meet Annie Jump Cannon, the “Harvard Computer” that Brought Order Out of Chaos

Harvard Observatory “Computers,” like Henrietta Swan Leavitt and Annie Jump Cannon, made the first all-sky catalog. Now, thousands of volunteers are digitizing their notebooks and observing logs, turning these old astronomical observations into something usable for researchers today.