E. Purnell Hooley
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Tarmac was invented when E. Purnell Hooley was passing a tarworks in 1901. He saw that a barrel of tar had spilled on the roadway, and in an attempt to reduce the mess, gravel had been dumped on top of it. The area was remarkably dust-free compared to the surrounding road, and it inspired Hooley to develop and patent Tarmac in Britain.
He called his company Tar Macadam (Purnell Hooley's Patent) Syndicate Limited, but unfortunately he had trouble selling his product as he was not a very competent businessman. His company was soon bought out by the Wolverhampton MP, Sir Alfred Hickman, the owner of a steelworks which produced large quantities of waste slag. The Tarmac company was relaunched in 1905, and became an immediate success. (Tarmac plc remains a major player in the UK market for heavy building materials, having divested itself of its housing and contracting interests during the 1990s.)