William A. Tilden

Sir William Augustus Tilden FRS
Born	(1842-08-15)15 August 1842
Died	11 December 1926(1926-12-11) (aged 84)
Nationality	British
Education	Bedford Modern School
Alma mater	University of London

William Augustus Tilden FRS (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.