John Herschel
Sir John Frederick William Herschel, 1st Baronet, KH, FRS (7 March 1792 – 11 May 1871) was an English mathematician, astronomer, chemist, and experimental photographer/inventor, who in some years also did valuable botanical work. He was the son of Mary Baldwin and astronomer Sir William Herschel and the father of 12 children.
Herschel originated the use of the Julian day system in astronomy. He named seven moons of Saturn and four moons of Uranus. He made many contributions to the science of photography, and investigated colour blindness and the chemical power of ultraviolet rays.
Read more about John Herschel: Early Life and Work On Astronomy, Visit To South Africa, Photography, General, Influences, Family, Bibliography
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“Science is the knowledge of many, orderly and methodically
digested and arranged, so as to become attainable by one. The
knowledge of reasons and their conclusions constitutes abstract, that of causes and their effects, and of the laws of nature, natural science.”
—John Frederick William Herschel (1792–1871)