James Gregory, Scottish mathematician and astronomer, (1870). In 1663 Gregory (1638-1675) published Optica Promota describing his design for a reflecting telescope, an example of which was constructed by Robert Hooke. He was a supporter of the theories of Isaac Newton, with whom he corresponded. An engraving from Robert Chambers' A Biographical Dictionary of Eminent Scotsmen, Blackie and Son, (Glasgow, Edinburgh, and London, 1870). Artist: William Holl. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / The Print Collector |
Bildgröße: | 3301 px × 5309 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |