Clifford Richardson (1856-1932),American chemist. Richardson was a chemical engineer with the US Department of Agriculture between 1878-1887. During this time he studied the chemical composition of plants. In 1887 he became the Inspector of Asphalt and Cements for District of Columbia,USA,where he developed two forms of asphalt; asphaltic concrete and hot-rolled asphalt. He was renowned as an international authority on asphalt pavements | |
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Crédit: | Science Photo Library / Williams Haynes Portrait Collection, Chemists’ Club Archives, CHEMICAL HERITAGE FOUNDATION |
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