Notable Physicists: Henrietta Swan Leavitt
Henrietta Swan Leavitt (4 July 1868 – 12 December 1921) was an American astronomer. A graduate of Radcliffe College, she worked at the Harvard College Observatory as a “computer”, tasked with examining photographic plates in order to measure and catalog the brightness of stars. This work led her to discover the relation between the luminosity…
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Notable Physicists: Annie Jump Cannon
Annie Jump Cannon (11 December 1863 – 13 April 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 organise and classify stars based on their temperatures and spectral types.
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Physics Futures 