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Autograph letter signed ("A. E."), in German, to Satyenda Nath Bose (1894-1974).
Princeton 1953 - How Einstein Crafted His Reply to BoseEinstein, Albert (1879-1955). Autograph letter signed ("A. E."), in German, to Satyendra Nath Bose (1894-1974). 2 leaves. [Princeton,] October 22, 1953. Written on the verso of 2 pages of Bose’s typed draft of a paper on unified field theory that he sent to Einstein; the pages include extensive mathematical equations in Bose’s hand, as well as his name and address in block letters. Accompanied by Einstein’s 3-page carbon typescript (with ms. additions) of his typed reply to Bose translated into English. Small marginal tears and staple holes in the leaves of Einstein’s autograph letter, light creasing, but very good. From the library of historian of physics Jagdish Mehra (1931-2008).The Last Scientific Contact between Einstein and his One-Time Collaborator, the Brilliant Indian Physicist S. N. Bose. This may be the Only Surviving Example of a letter from Einstein to Bose; Dr. Tilman Sauer, of the Einstein Papers Project at the California Institute of Technology, told us in an email communication (Jan. 24, 2013) that "the only items of correspondence by Einstein to Bose, that I am aware of, are either transcripts, carbon copies, or drafts." In 1924 Bose, then living in Dacca, India (now part of Bangladesh), sent Einstein a manuscript on the investigation of a new derivation of Planck’s blackbody radiation law, asking Einstein to see to its publication if it had any merit. Recognizing the paper’s importance, Einstein translated it himself into German and had it published in the Zeitschrift für Physik. Einstein realized that the form of statistics used by Bose could be applied to the quantum theory of ideal gas, and he himself published three papers on this topic in 1924 and 1925. On the basis of Einstein’s support, Bose was awarded a fellowship allowing him to spend two years in Europe, working with Maurice de Broglie in Paris and Einstein in Berlin. Bose then returned to India, where he had a long and distinguished scientific and administrative career in Dacca. Almost three decades after this initial contact Bose, then working in Paris, sent Einstein a draft of his paper "A unitary field theory of gravitation and general relativity," which was eventually published in the Journal de Physique. Einstein’s reply to Bose commented on the use of the variational principle and on the significance of the auxiliary conditions—the conservation laws. Einstein had great respect for Bose, taking account of Bose’s criticisms in Appendix II of the final edition of his The Meaning of Relativity (1955).The names of Einstein and Bose are permanently linked in the terms "Bose-Einstein statistics" and in Einstein’s postulate of the ultra-low temperature phenomenon known as "Bose-Einstein condensation," in which individual atoms condense into a "superatom" that behaves as a single entity. This unique state of matter was created and confirmed in 1995 by the physicists Eric Cornell and Carl Wieman, who received the Nobel Prize in 2001 for their achievement. We are grateful to Dr. Tilman Sauer of the Einstein Papers Project at the California Institute of Technology for supplying suggestions about these notes and their apparent place in Einstein’s body of work. [Attributes: Signed Copy; Soft Cover]
      [Bookseller: Jeremy Norman's historyofscience]
Last Found On: 2014-10-02           Check availability:      AbeBooks    

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