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Events on Thursday 11 May 1871 1
1792 – 1871John Herschel (1792-1871)Died 11 May 1871, aged 79Herschel was an English astronomer, mathematician, and chemist who catalogued nebulae and star clusters in both hemispheres, extending the work of his father William Herschel. He also made pioneering contributions to photography, coining the terms photography, positive, and negative. He was one of the most celebrated scientists of his generation.