Alexander A Friedmann: The Man who Made the Universe Expand - download pdf or read online

By Eduard A. Tropp, Viktor Ya. Frenkel, Artur D. Chernin, Alexander Dron, Michael Burov

ISBN-10: 0521025885

ISBN-13: 9780521025881

Our universe should be defined mathematically through an easy version constructed in 1922 at Petrograd (St. Petersburg) by means of Alexander Friedmann (1888-1925). with out the advantage of observational proof, Friedmann envisioned that the complete universe might extend and evolve with time. This superb prediction was once proven seven years later via Edwin Hubble. Its originator, regrettably did not dwell to have fun with this triumph. This bright biography of an exceptional scientist units his lifestyles and paintings opposed to a large backdrop of the background of cosmological stories and its significant gamers, equivalent to Einstein and others. The publication is a window on Friedmann's institution and collage years, army provider, and instructing and examine in the course of a seminal interval of Soviet historical past. The authors comprise designated archival fabric, similar to Friedmann's letters from the Russian entrance, in addition to modern documents and memories of comrades. there's a specific therapy of his paintings in theoretical cosmology (1922-1924), set within the context of the association of Soviet technology on the time.

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The students failed to get the mathematics society legalized without a supervisor: Professor D. F. Selivanov was officially appointed, but he never appeared at the meetings, so the students got what they wanted de facto, if not de jure. Let's continue with Steklov's notes. January 25. Began lecturing at the University [after the vacation - V. ]. Not many students. [I. ] Ivanov not lecturing at all. February 20. Brought my collected works to the University and gave them to Tamarkin for the students' mathematical society.

I remain, Respectfully yours, A. Friedmann. Give my regards to everybody. I will be very grateful for a reply. , Apt. 21. Unfortunately, this letter of Friedmann's bears no date. It probably dates from 1909 or 1910. It is clear that Alexander Friedmann was in strained financial circumstances. It seems that his father had died (the date of his death has not been established; from conversations with V. V. e. before 1910). That is why Friedmann moved to his grandfather's place in Sergievsky Street (now Tchaikovsky Street).

F. Ioffe and D. S. Rozhdestvensky. Towards the end of 1907, Ehrenfest's "kruschok," or modern physics seminar, was already meeting in Vasilievsky Island, where the Ehrenfests had settled (and, later, in Lopukhinsky Street, in the Petersburgskaya Storona). ), among its active participants were K. K. Baumgardt, V. R. Bursian, G. G. Weichardt, L. D. Isakov, Yu. A. Krutkov, G. Ye. Perlitz and V. M. Chulanovsky, teachers at St. Petersburg University or graduates who had stayed on at the University to prepare for the teaching profession; V.

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Alexander A Friedmann: The Man who Made the Universe Expand by Eduard A. Tropp, Viktor Ya. Frenkel, Artur D. Chernin, Alexander Dron, Michael Burov

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