. . . . . . . . "Richard Willst\u00E4tter"@en . . "German chemist" . . . "1942-08-03Z"^^ . "Richard Martin Willst\u00E4tter, ForMemRS (13 August 1872 \u2013 3 August 1942) was a German organic chemist whose study of the structure of plant pigments, chlorophyll included, won him the 1915 Nobel Prize for Chemistry. Willst\u00E4tter invented paper chromatography independently of Mikhail Tsvet."@en . "1942Z"^^ . . "Richard Martin Willst\u00E4tter"@en . "1872Z"^^ . "Willstatter, Richard"@en . . . "1872-08-13Z"^^ .