. "1861-12-13Z"^^ . "1937Z"^^ . . "Arthur George Perkin, DSc, FRS (1861\u20131937) was an English chemist and Professor of Colour Chemistry and Dyeing at the University of Leeds."@en . "1861Z"^^ . "chemistthat was awarded theDavy Medalin 1924 \"for his researches on the structure of natural colouring matters\"" . . . "Perkin, Arthur George"@en . "Arthur George Perkin"@en . .