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https://learninglab.si.edu/collections/qx8L5rkjpnqh70Ex Collections :: The Science of Henrietta Swan Leavitt | Smithsonian Learning Lab This collection explores the discoveries and methods of American astronomer Henrietta Swan Leavitt. She worked at the Harvard College Observatory (HCO)... henrietta swan leavitt the science collections smithsonian learning https://en.wikiquote.org/wiki/Henrietta_Swan_Leavitt Henrietta Swan Leavitt - Wikiquote henrietta swan leavitt wikiquote