English astronomer (son of William Herschel) who extended the catalogue of stars to the southern hemisphere and did pioneering work in photography (1792-1871).

synonyms: John Herschel, Sir John Frederick William Herschel, Sir John Herschel.

English astronomer (born in Germany) who discovered infrared light and who catalogued the stars and discovered the planet Uranus (1738-1822).

synonyms: Sir Frederick William Herschel, Sir William Herschel, William Herschel.