Einstein

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Die Entwicklung unserer Anschauungen über das Wesen und die Konstitution der Strahlung pp.817-825 Planck's Diskussion pp.825-826.

1909ref. 662931909. Physik. Zschr. 10. - Leipzig Verlag von S. Hirzel 1909 4° XXII 2 1040 pp. mit Textabbildungen und 26 Tafeln Halbleinenband d.Zt.; St.a.Tit. feines Expl. A LANDMARK W. PAULI FIRST EDITION "of this extensive paper given as lecture before the 81st assembly of the "Gesellschaft Deutscher Naturforscher" in Salzburg on 21st September 1909. He spoke on "The Development of Our View of the Nature and Constitution of Radiation" a topic that embraced both relativity and quanta. Among those who attended Einstein's lecture were some of the world's foremost physicists. In Einstein's austere opinion his address regarded strictly as a work of science was of little importance since as he writes to a co-worker it contained nothing new. Einstein was being overmodest. Besides to many in Einstein's audience and it should be born in mind that it was the year after Minkowski's stirring introduction of the concept of the fourth dimension this Lecture came as a revelation. The occasion was important for Einstein too. He had been working for years in a sort of scientific exile and his curiosity as to what great scientists were like in face-to-face discussion was at least as great as their curiosity about him. His confidence in himself was certainly not harmed when he found that he was able to hold his own easily in their company. Moreover at this congress Einstein first met Planck. In addition he made new'lasting friendships leading to a voluminous scientific correspondence. Amongst those attending the congress were Max von Laue Max Born. Arnold Sommerfeld Hasnohrl. Ladenburg. Max von Laue was to be the first to publish in 1911 the first text-book on relativity theory. All of them are present in this issue with scientific papers of their own." Walter Alicke Weil No. 30; Schilpp-Shields No. 30; Hoffmann Einstein p. 93; Alicke Nr. 34 unknown

MedicusBooks.Com · Germany€396.00

Albert EINSTEINBiblio.com

ZUR EINHEITLICHEN FELDTHEORIE. On The Unified Field Theory. Sonderabdruck Offprint aus den Sitzungsberichten der Preussischen Akademie der Wissenschaften physikalisch-mathematischen Klasse I 1929.

1929ref. 5739K-2Berlin: Verlag der Akademie der Wissenschaften in commission at Georg Reimer Reichsdruckerei 30th January 1929. Near Fine. Imperial 8vo 25 4: 18 2 cm. 8 pages. Letterpress on machine paper in original publisher’s brochure on orange stock with black title printing. First offprint in the original wrappers of this important paper by Einstein formulating groundbreaking developments towards a unified field theory. - Content: »On The Unified Field Theory« is one of Einstein's last scientific core works. According to Weil ""This paper represents a new development which was immediate news. A translation by L. L. Whyte appeared in the London Times of Feb. 4 1929. It was quoted in full in ""Observatory"" vol. 52 under the title ""New Field Theory"" pp.82-87 and 1930 pp.11-118."" In 1928 Einstein embarked on a new approach to a unified field theory involving what he called „distant parallelism“. By early 1929 he had solved the main problems involved in writing down field equations for his unified field theory. On the day of offical publication of the third of a formidably technical series of 9 articles on the theory excited headlines appeared in newspapers around the world. - cf. Parkinson Breakthroughs p.279. - Condition State: Mint uncut thus unread. - The list of academy offprints on the rear side of the cover states present offprint not in last place. All offprints listed later were printed in 1929 though. The typeset of all pages is identical to other authentified offprints of this papers. This indicates that our copy is indeed a first offprint but presumably with a later cover. - Reference: Alicke 141; Boni-Russ-L. 183; Norman Collection I 700; Printing and the Mind of Man 416 „Principal Work“; Schilpp-Shields 226; Weil 165. Verlag der Akademie der Wissenschaften (in commission at Georg Reimer [Reichsdruckerei]) unknown

Avocadobooks · Austria€380.00

Einstein

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