William A. Tilden

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Sir William Augustus Tilden (15 August 1842 - 11 December 1926) was a British chemist. He discovered that isoprene could be made from turpentine. He was unable to turn this discovery into a way to make commercially viable synthetic rubber.

He obtained a B Sc in 1868 and a D Sc in 1871, both from the University of London. From 1872 to 1880 he was Senior Teacher of Science at Clifton College, Bristol. From 1880 to 1894 he was Professor of Chemistry at Mason College, Birmingham. From 1894 to his death he was at the Royal College of Science, London, being Professor of Chemistry to 1909, Dean from 1905 to 1909, and then Emeritus Professor.

He became a Fellow of the Royal Society in 1880 and was Vice-President from 1904 to 1906. In 1905 he was awarded the Davy Medal of the Society. He was President of the Chemical Society from 1903 to 1905. The Tilden Lectureship was named in his memory by the Society in 1939 and has been awarded annually (now by the Royal Society of Chemistry) to three younger members since then.^[1] He held office in many other organisations, including the British Association for the Advancement of Science, the Institute of Chemistry (renamed Royal Institute of Chemistry in 1885) and the Society of Chemical Industry.

He published Famous Chemists: the men and their work (George Routledge and Sons Ltd.) in 1921.