Signed card, 3,25 x 1,75 inch, signed in dark ink, attractively mounted (removable) for fine display with a photograph, shows Nikolai Nikolajevitsch Semjonov seated at a desk (altogether 8,25 x 11,75 inch), with very mild signs of wear - in nearly very fine condition.
Further Information on the person
(1896-1986) Russian/Soviet physicist and chemist - Semyonov was awarded the 1956 Nobel Prize in Chemistry for his work on the mechanism of chemical transformation.
Year of Birth: 1896
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