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Rainer Ludwig Claisen

German chemist best known for his work with condensations of carbonyls and sigmatropic rearrangements.

Born January 14th, 1851 in Cologne.

Died January 5th, 1930 at 78 years old in Bad Godesberg.

Occupations
chemist, university teacher

Please don't retouch my wrinkles. It took me so long to earn them. Anna Magnani