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Jean-Antoine Chaptal (Saint-Pierre-de-Nogaret, 1756 - Paris, 1832)Autograph letter signed "Chaptal", dated "Paris, le 10 nivose An 9 de la Républi...
Albert Einstein (Ulm 1879 - Princeton 1955)Beautiful large photographic portrait with autograph dedication signed “A. Einstein”, dated 1929, to Lu...
Albert Einstein (Ulm 1879 - Princeton 1955)Beautiful photographic portrait with autograph dedication signed “A. Einstein”, dated 1928. Einstein pe...
[NASA - Apollo Program]Lot of five official photographic portraits with autograph dedication signed by NASA astronauts such as the Apollo 11 pilot...
(Science and Feminism) Colette Yver (Segré, 1874 - Rouen, 1953)Lot of 23 documents (1 telegram, 22 autograph letters signed) dated 1907-1908 by th...