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John Tyndall
John Tyndall, (born August 2, 1820, Leighlinbridge, County Carlow, Ireland died December 4, 1893, Hindhead, Surrey, England), Irish experimental physicist who, during his long residence in England, was an avid promoter of science in the Victorian era.Tyndall is noted for work on the scattering of light by atmospheric particles and on the absorption of infrared radiation by gases. -
John Tyndall "Alpines"
Tyndall visited the Alps mountains in 1856 for scientific reasons and ended up becoming a pioneering mountain climber. He visited the Alps almost every summer from 1856 onward, was a member of the very first mountain-climbing team to reach the top of the Weisshorn (1861), and led one of the early teams to reach the top of the Matterhorn (1868).His names associated with the 'Golden age of alpinism" the mid Victorian years when the more difficult of the Alpine peaks were summited first time.