Date of birth: 22 September 1872
Date of death: 4 June 1958
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An American author.

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Paweł Urbański

Professor on Faculty of Physics on University of Warsaw (Poland)...

William Ellis Of Greenwich

William Ellis (b. 1828 at Greenwich-1916) was a British Astronomer.
He joined the Royal Observatory in 1841, where he was employed on reducing lunar observations before switching to observational work. After working as Observer at the University Observatory, Durham, 1852-1853, he returned to the Ro...