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John Herschel. Sir John Frederick William Herschel, 1st Baronet KH FRS ( / ˈhɜːrʃəl, ˈhɛər -/; [2] 7 March 1792 – 11 May 1871) [1] was an English polymath active as a mathematician, astronomer, chemist, inventor and experimental photographer who invented the blueprint [3] [4] [5] and did botanical work. [6]
John Herschel. Sir John Frederick William Herschel (n. 7 martie 1792, Slough, Anglia, Regatul Unit – d. 11 mai 1871, Kent, Anglia, Regatul Unit al Marii Britanii și Irlandei) a fost matematician, astronom și chimist englez, fiul astronomului Sir William Herschel .
John Herschel. Sir John Frederick William Herschel, 1:e baronet, född 7 mars 1792 i Slough, Berkshire, död 11 maj 1871 på godset Collingwood nära Hawkhurst, Kent, var en brittisk astronom, son till William Herschel och far till William James och Alexander Stewart Herschel .
John Herschel est né à Slough (en ce temps dans le Buckinghamshire et actuellement dans le Berkshire ). En 1809, il entra à l'université de St John's College (Cambridge) et en 1812 proposa son premier article de mathématiques à la Royal Society . Il n'eut jamais de poste académique mais consacra sa vie à la recherche privée.
On January 1, 1840, a strange ceremony took place in the garden of the Herschel house at Slough. On the lawn lay the 40-foot-long tube of the great reflector that William Herschel had first pointed at the heavens half a century earlier. The instrument had been out of use for over thirty years, and the enormous wooden framework from which the ...
31 de mar. de 2018 · Lived 1792 – 1871. John Herschel was a polymath - a brilliant mathematician, astronomer, chemist, and inventor. He produced the first global survey of the night skies, discovered hundreds of nebulae and thousands of double stars, invented the actinometer to measure the heating power of radiation, invented hypo fixing of photographs, and invented the cyanotype,
Auteur : Philippe Garcelon. John Herschel (1792-1871) est né à Slough, à proximité de Windsor. Il est le fils unique de l’astronome William Herschel et de Mary Pitt, fille d’un riche commerçant. Ses parents ont respectivement cinquante cinq et quarante deux ans lorsqu’il vient au monde. Son enfance baigne dans la musique, les ...
