By Eduard A. Tropp, Viktor Ya. Frenkel, Artur D. Chernin
Our universe will be defined mathematically via an easy version built in 1922 at Petrograd (St. Petersburg) via Alexander Friedmann (1888-1925). with out the good thing about observational facts, Friedmann expected that the total universe may extend and evolve with time. This spectacular prediction used to be proven seven years later by means of Edwin Hubble. Its originator, regrettably didn't dwell to relish this triumph. This vibrant biography of an excellent scientist units his lifestyles and paintings opposed to a large backdrop of the background of cosmological experiences and its significant gamers, akin to Einstein and others. The publication is a window on Friedmann's institution and college years, army carrier, and educating and learn in the course of a seminal interval of Soviet background. The authors comprise distinct archival fabric, equivalent to Friedmann's letters from the Russian entrance, in addition to modern files and memories of associates. there's a exact 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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Extra info for Alexander A Friedmann: The Man who Made the Universe Expand
Nature had endowed him with excellent genetics. His uncle on his mother's side was Nikolai Alexandrovich Dobrolyubov, the famous Russian literary critic. His father, Andrei Ivanovich Steklov, a highly educated person, taught history and Hebrew at the Nizhni Novgorod Theological Seminary. Vladimir Steklov had unquestionable literary and musical talents - he could have been a successful opera singer. Steklov has bequeathed to us not only classical works in mathematics and mathematical physics, but also works of some literary merit.
Petersburg and had come to Gottingen with the same aim as Ehrenfest. In 1904 the young couple married, and in the autumn of 1906 they came to live in St. Petersburg, Tanya's native city. There, within a short time, Ehrenfest became intimate with the leading young physicists, particularly A. 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).
Friedmann. S. Send me a short reply. Everybody has forgotten me and I'm depressed; write either in German or in Russian as you wish. A. Friedmann. This letter is interesting right away for the place where it was posted. Its name will not mean anything to most readers. In the recent (Russian) edition of The Dictionary of Geography (1986) the town of Tim is not mentioned, though can be found on the little map of the Kursk Region placed in the dictionary. The town is 60 km east of the city of Kursk, and even today it is not on the railroad.