Frank Schlesinger

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Arts & Culture

Frank Schlesinger

American astronomer

Written and fact-checked by The Editors of Encyclopaedia Britannica

Last Updated: Apr 5, 2024 • Article History

Category: Arts & Culture

Born:: May 11, 1871, New York City

Died:: July 10, 1943, Lyme, Conn., U.S. (aged 72)

Subjects Of Study:: parallax; star

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Frank Schlesinger (born May 11, 1871, New York City—died July 10, 1943, Lyme, Conn., U.S.) was an American astronomer who pioneered in the use of photography to map stellar positions and to measure stellar parallaxes, from which the most direct determinations of distance can be made. From 1899 to 1903 Schlesinger was in charge of the International Latitude Observatory at Ukiah, Calif. He then was appointed astronomer at the Yerkes Observatory, Williams Bay, Wis., where he began developing a photographic method of determining parallaxes. With great care he worked to eliminate or compensate for all significant sources of error, with ...(100 of 242 words)

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