John Herschel facts for kids

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Sir John Herschel
Drawing of John Herschel, published in 1846
Born (1792-03-07)7 March 1792
Slough, Buckinghamshire, England
Died 11 May 1871(1871-05-11) (aged 79)
Collingwood, near Hawkhurst, Kent, England
Residence Slough
Cape Town
Nationality British
Alma mater St John's College, Cambridge
Known for The invention of photography
Influences William Herschel (father)
Notable awards Smith's Prize (1813)
Copley Medal (1821)
Lalande Medal (1825)
Gold Medal of the Royal Astronomical Society (1826), (1836)
Royal Medal (1836, 1840)
Knight of the Royal Guelphic Order

Sir John Frederick William Herschel, 1st Baronet(7 March 1792 – 11 May 1871) was an English polymath, mathematician, astronomer, chemist, inventor, experimental photographer who invented the blueprint, and did botanical work.

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; his Preliminary Discourse (1831), which advocated an inductive approach to scientific experiment and theory building, was an important contribution to the philosophy of science.

He married Margaret Brodie Stewart (1810–1884) on 3 March 1829 at Edinburgh and fatherd 12 children.

Herschel died on 11 May 1871 at age 79 at Collingwood, his home near Hawkhurst in Kent. On his death, he was given a national funeral and buried in Westminster Abbey. His obituary by Henry W Field of London was read to the American Philosophical Society on 1 December 1871.

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