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

Our universe could be defined mathematically through an easy version built in 1922 at Petrograd (St Petersburg) by means of Alexander Friedmann (1888–1925), who estimated that the complete universe might extend and evolve with time ahead of there has been any observational proof. He used to be a great Soviet physicist, and this bright 1993 biography is decided in a large ancient history. The booklet is a window at the tuition and collage years, army carrier, instructing and examine in the course of a seminal interval of Soviet background. The authors comprise specific archival fabric, similar to Friedmann's letters from front, in addition to modern documents and recollections of associates. there's a special 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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