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Keywords from Image Description:
Roald Hoffmann. en October Roald Hoffmann Roald Hoffmann Roald Hoffmann Roald Hoffmann Roald Hoffmann Roald Hoffmann Roald Hoffmann nsf gov October UTC Xtreambar en Roald Hoffman chemist Nobel Laureate at his office at Cornell University Ithaca NY Original upload log en Magnus Manske CommonsHelper page en Hoffmann