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Colors of Chemistry - March 2010
Each year, the Chicago River is dyed green to celebrate Saint Patrick's Day in downtown Chicago. Members of the Journeymen Plumbers Local Union 130 are responsible for mixing dye into the river, but the brilliant green hue can be credited to the work of German chemist and Nobel Prize winner Adolf von Baeyer. In 1871, Baeyer was the first to synthesize fluorescein, the xanthene dye used for the inaugural dyeing of the river in 1961. Read more >>
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