Sujet

Sir John Herschel, astronomer and scientist, 1810s. Artist: Gaspare Gabrielli.

Légende

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).
The Print Collector collection

Date

1810

Crédit

Photo12/Heritage Images/The Print Collector

Notre référence

HRM19D08_100

Model release

Non

Licence

Droits gérés

Format disponible

18.0Mo (7.0Mo) / 18.1cm x 24.9cm / 2136 x 2942 (300dpi)

Mots clés

personnes gens mâle homme hommes la science type astronomie couleur couleur photographie siècle colourised inventeur 19e siècle personnes célèbres astronome dix-neuvie siècle The Print Collector Sir John Frederick William Herschel engraving portrait William Sir William Herschel Gaspare Gabrielli G Gabrielli Sir John Frederick William Sir William Herschel Herschel William Herschel Gabrielli Gaspare colorised engraving portrait