4 0 2 D O C U M E N T 4 2 3 F O R E W O R D T O S C H A L I T 423. Foreword to Tuvia Schalit, Di spetsyele relativitets- teorye. Aynstayns shite un Minkovskis “velt” [Einstein 1927c] Dated [after 30 November 1926][1] Published 1927 In: Tuvia Schalit. Di spetsyele relativitets-teorye. Aynstayns shite un Minkovskis “velt” (The Special Theory of Relativity: Einstein’s Theory and Minkowski’s “World”). Berlin: Eygener farlag (published by the author), 1927, n. p. In former times, our Jewish nation was firmly bound together by strict traditions. It had to pay for the virtues of this bond by a loosening of its cultural ties, which led to a major one-sidedness in its intellectual activity and in its view of the world.[2] Can this deficiency be eliminated without endangering the existence of the nation? I think this is possible: individuals and communities living in accor- dance with traditions thinking not being subjected to any other constraint than the limitations of the human mind. In this sense I am pleased with the present work about relativity theory, written in Yiddish.[3] A. Einstein 424.To Landes-Wohlfahrts- und Jugendamt Berlin [after 30 November 1926][1] With reference to your inquiry of 30 November,[2] I submit to you a topic that might be suitable to work on: “An attempt would be made to answer the question of whether deviations from the law of corresponding states, particularly for hydrogen and “A paper by Herbert Levi published in 1910 (Julius Springer publ. 1910)[3] at the suggestion of Prof. Nernst[4] shows that a successful attempt has been made to attribute the deviation of the equation of state of vapors (specifically hydrogen) from the ideal gas laws to the ¢poly² formation of double molecules. The legitimacy of the original hypothesis will be tested by theoretical and experimental analyses of the dependence of thermal conductivity on ¢pressure² density.”
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