American mathematician. “The Theory of Recursive Unsolveability”. Typed dissertation accepted by Princeton in May 1950. 96 pps of text plus front matter, end notes, and bibliography. A carbon copy made along with the original typescript. Mathematical symbols not available on the typewriter were inserted by hand by Martin Davis. Price: $1,250 This item is … [ Read More ]
Einstein, Albert
EINSTEIN PATENT FOR “A LIGHT INTENSITY SELF-ADJUSTING CAMERA” ALBERT EINSTEIN. German-born theoretical physicist; enunciated the Theory of Relativity. Document Signed, Albert Einstein, two pages, quarto, New York, December 5, 1936. Also signed by Gustav Bucky. Together with a copy of the patent. Einstein signs a patent assignment for the only U.S. patent he ever received … [ Read More ]
Linnaeus, Carolus
Swedish botanist; founder of modern systematic botany. Document Signed, Carl Linnaeus, with his red wax seal following, three full lines on a 3 1/4 by 8 inch sheet. In Swedish. As chair of botany at Uppsala University, Carolus Linnaeus certifies that “…for the year [17]56 I have received four hundred seventy-three dollars in silver coin … [ Read More ]
Millikan, Robert
THE ORIGINAL MANUSCRIPT ON THE INVESTIGATION OF THE ORIGIN OF COSMIC RAYS ROBERT A. MILLIKAN. American physicist. Typewritten and Autograph Manuscript, thirteen pages, quarto and octavo, undated. Comprising a quarto page of five typewritten lines, with the title and corrections in Robert Millikan’s hand; the first page of the paper (quarto), consisting of nine typewritten … [ Read More ]
Pavlov, Ivan
RUSSIAN PHYSIOLOGIST; CONDUCTED FAMOUS EXPERIMENT DEMONSTRATING CONDITIONED REFLEX IN DOGS. IVAN PAVLOV. Inscribed copy of Ivan Pavlov’s 1909 lecture at the 12th Congress of Russian natural Scientists and Physicians in Moscow entitled “Natural Science and the Brain” in which he discusses animal adaptation to its external environment and conditioned reflex. Ivan Pavlov has written, in … [ Read More ]
Rittenhouse, David
DAVID RITTENHOUSE. American astronomer; first director of the U.S. Mint; built observatory and a telescope, believed to be the first made in America, to observe the transit of Venus; during American Revolution served in the Pennsylvania Assembly and as President of the Council of Safety. Autograph Document Signed, one page, octavo, Philadelphia, February 13, 1781. … [ Read More ]
Weizmann, Chaim
Polish-born Israeli chemist and politician who was the first President of Israel. Autograph Letter Signed, Chaim Weizmann, one page, octavo, August 4, 1940. On imprinted stationery of the Dorchester Hotel in London, to Dr. Josef Cohn at the Zionist Organization of American in New York City. “I would like to thank you for your reports. … [ Read More ]