alb4006615
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.
Personalities:
Credit:
Album / Oxford Science Archive / Heritage Images
Releases:
Model: No - Property: No
Rights questions?
Rights questions?
Image size:
2136 x 2942 px | 18.0 MB
Print size:
18.1 x 24.9 cm | 7.1 x 9.8 in (300 dpi)
Keywords:
19TH CENTURY • ASTRONOMER • ASTRONOMIA • ASTRONOMY • B & W • B / W • B W • B&W • BLACK & WHITE • BLACK AND WHITE • CELEBRITIES • CELEBRITY • CENTURY • ENGRAVING • FAMOUS PEOPLE • FAMOUS • FOTOGRAFIA • G GABRIELLI • GABRIELLI • GASPARE GABRIELLI • GASPARE • GUY • HERSCHEL • INVENTOR (MALE) • INVENTOR • MALE • MAN • MEN • MOMENT IN TIME • MONOCHROMATIC • MONOCHROME • NINETEENTH CENTURY • PEOPLE • PHOTO • PHOTOGRAPH • PHOTOGRAPHIE • PHOTOGRAPHY • PORTRAIT • POTRAIT • SCIENCE • SIR JOHN FREDERICK WILLIAM HERSCHEL • SIR JOHN FREDERICK WILLIAM • SIR WILLIAM HERSCHEL • SIR WILLIAM • WILLIAM HERSCHEL • WILLIAM
