Astronomy

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

By Eduard A. Tropp, Viktor Ya. Frenkel, Artur D. Chernin

ISBN-10: 0521384702

ISBN-13: 9780521384704

Our universe might be defined mathematically by means of an easy version constructed in 1922 at Petrograd (St. Petersburg) by means of Alexander Friedmann (1888-1925). with out the good thing about observational proof, Friedmann anticipated that the full universe may extend and evolve with time. This incredible prediction was once proven seven years later via Edwin Hubble. Its originator, regrettably didn't stay to relish this triumph. This vibrant biography of an exceptional scientist units his lifestyles and paintings opposed to a large backdrop of the historical past of cosmological reports and its significant avid gamers, reminiscent of Einstein and others. The publication is a window on Friedmann's university and college years, army carrier, and educating and learn in the course of a seminal interval of Soviet historical past. The authors contain designated archival fabric, comparable to Friedmann's letters from the Russian entrance, in addition to modern documents and recollections of co-workers. there's a unique remedy of his paintings in theoretical cosmology (1922-1924), set within the context of the association of Soviet technological know-how on the time.

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Additional resources for Alexander A Friedmann: The Man who Made the Universe Expand

Sample text

But, what is more important to us, Valentina Doinikova (and her parents) were living in the town in those years - it is she that Alexander Friedmann was visiting. " she recalled in 1969. When she was speaking about Ehrenfest (nothing gets lost - manuscripts do not burn! - there is Doinikova's letter to the Ehrenfests in which she invites them to come and visit her in Tim and gives detailed instructions: at what station they were to get off, how long it will take them to get to Tim), she mentioned Friedmann's name, and I asked her to try and recall what she knew about him.

He displayed sufficient diligence and particular interest in the study of mathematics. And, secondly, it was found . . Then there are listed the marks given by the Pedagogical Council and those based on the results of examinations. ). 5 In all these subjects Friedmann received excellent marks. This is how the certificate ends: In view of his consistently excellent conduct and diligence and excellent achievements in science, particularly in mathematics, the Pedagogical Council has decided to award him a gold medal.

A. Hoffmann, and Poe; he read a lot of Merezhkovsky and Fyodor Sologub. Indeed, Friedmann, as it turns out, was fond of 38 University years, 1906-14 V. V. Doinikova, A. F. Ioffe and "Tanya-dashed" Ehrenfest in Kannuka, 1909. "the occult" in general; he claimed he could soothe pain, and once managed to do it. Passion for science - that was natural, but what Doinikova said - that Friedmann was a very lively and witty partner in conversation, in fact liked to play the fool, and made it seem charming and funny - was somewhat unexpected.

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