John Tyndall (; 2 August 1820 – 4 December 1893) was an Irish physicist. His scientific fame arose in the 1850s from his study of diamagnetism. Later he made discoveries in the realms of infrared radiation and the physical properties of air, proving the connection between atmospheric CO and what is now known as the greenhouse effect in 1859. Wikipedia
John Hutchyns Tyndall (14 July 193419 July 2005) was a British fascist political activist. A leading member of various small neo-Nazi groups during the late 1950s and 1960s, he was chairman of the National Front (NF) from 1972 to 1974 and again from 1975 to 1980, and then chairman of the British National Party (BNP) from 1982 to 1999. He unsuccessfully stood for election to the House of Commons and European Parliament on several occasions. Wikipedia
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