Noun: Sir John Herschel
- English astronomer (son of William Herschel) who extended the catalogue of stars to the Southern Hemisphere and did pioneering work in photography (1792-1871)
- Herschel, John Herschel, Sir John Frederick William Herschel
Type of: astronomer, stargazer [informal], uranologist
Encyclopedia: Sir John Herschel, 1st Bt