alb3948711
Sir John Herschel, astronomer and scientist, 1810s. Artist: Gaspare Gabrielli.
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Title: Sir John Herschel, astronomer and scientist, 1810s. Artist: Gaspare Gabrielli.
Caption: Sir John Herschel, astronomer and scientist, 1810s. Portrait of John Herschel as a young man. The son of astronomer Sir William Herschel, John Herschel discovered 525 nebulae and clusters. He pioneered celestial photography, introducing 'hypo' (thiosulphate) as a photographic fixative. He discovered the cyanotype or blueprint process in 1842, and carried out research on photo-active chemicals and the wave theory of light. (Colorised black and white print).
Personalities: HERSCHEL • SIR JOHN FREDERICK WILLIAM HERSCHEL
Credit: Album / Heritage Images / The Print Collector
Releases: ? Model Release: No - ? Property Release: No
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Image size: 2136 × 2942 px | 18.0 MB
Print size: 18.1 × 24.9 cm | 840.9 × 1158.3 in (300 dpi)
Keywords: 19TH CENTURY • ASTRONOMER • ASTRONOMIA • ASTRONOMY • CELEBRITIES • CELEBRITY • CENTURY • COLOR • COLORISED • COLOUR • COLOURISED • ENGRAVING • FAMOUS PEOPLE • FAMOUS • FLUSH • G GABRIELLI • GABRIELLI • GASPARE GABRIELLI • GASPARE • GUY • HERSCHEL • INVENTOR (MALE) • INVENTOR • MALE • MAN • MEN • NINETEENTH CENTURY • PEOPLE • PORTAIT • PORTRAIT • POTRAIT • SCIENCE • SIR JOHN FREDERICK WILLIAM HERSCHEL • SIR JOHN FREDERICK WILLIAM • SIR WILLIAM HERSCHEL • SIR WILLIAM • WILLIAM HERSCHEL • WILLIAM • Y
