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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

Let us never know what old age is. Let us know the happiness time brings, not count the years. Ausonius