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Events on Saturday 24 February 1810 1
1731 – 1810Henry Cavendish (1731-1810)Died 24 February 1810, aged 78Cavendish was a reclusive British scientist who discovered hydrogen, determined the composition of water and air, and conducted the experiment that measured the density and mass of the Earth. His wealth and aversion to publicity meant many of his findings remained unknown until decades after his death. The Cavendish Laboratory at Cambridge is named in his honour.