Sir John Herschel Astronomer #1
by Print Collector
Title
Sir John Herschel Astronomer #1
Artist
Print Collector
Medium
Drawing - Illustration
Description
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). Artist Gaspare Gabrielli.. (Photo by The Print Collector/Getty Images)
Image provided by Getty Images.
Uploaded
January 28th, 2021
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Viewed 339 Times - Last Visitor from Fairfield, CT on 04/25/2024 at 3:07 PM
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Image ID
802464320
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