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Julena Steinheider Duncombe
21 september 1911 — 13 september 2003
Dorchester · Estados Unidos
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Julena Steinheider Duncombe (1911–2003) was an American mathematician and astronomer. She was known for her work as a teacher at the Heart Mountain Relocation Center and as an astronomer at the United States Naval Observatory, where she made pioneering observations with the 6-inch transit circle, introduced the use of punched cards in cataloging stars and constructing tables of positions of celestial bodies, and led the production of eclipse predictions for almanacs.
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