Talk:Naum Idelson

message: Naum Ilyich Idelson (born 13 March 1885 in St. Petersburg, died 14 July 1951 in Leningrad ) - Soviet astronomer, theorist and expert on the history of physics and mathematics .
In 1909, he graduated from the Law and Physics and Mathematics at St. Petersburg University. Then he taught mathematics in secondary schools in 1918 - in 1919 he worked in the astronomical department of Natural Sciences Institute. PFLesgaft in one thousand nine hundred and nineteen - 1 931 at the State Institute of Computing (later transformed into Astronomical Institute ). Simultaneously, in 1921 - in 1926's led the Petrograd (Leningrad) department of Pulkovo Computing Division. In 1931 to 1936 he worked in the theoretical sector of the Pulkovo Observatory (from 1934 - Head of the sector). In 1936 he was arrested in connection with the Pulkovo affair; he returned to scientific activity in 1939. In 1939 - 1941 he headed the ephemeris service and yearbooks in the Astronomical Institute. In one thousand nine hundred and forty-one - one thousand nine hundred and forty-four years worked in the Institute of Theoretical Geophysics, USSR Academy of Sciences in Kazan and the Kazan State University (Head of the Department of Geophysics ). Since 1946 directed the astrometric department of Pulkovo Observatory . From 1926 until his death he taught at the University of Leningrad (since 1933 - professor ).
His main scientific work was devoted to computational and theoretical astronomy. He was one of the organizers of the ephemeris service in Russia, as well as one of the initiators of the publication of astronomical yearbook. In the Astronomical Institute, headed by the computational work for the main sections of "Astronomical Yearbook of the USSR, he was the editor of its publication in 1941, the author of the explanatory sections in 1943. The annexes to the Yearbook published articles about the reduction calculations, and the fundamental constants of astronomy. Participated in the creation and was editor of the first issue of "almanac." In 1922 calculated by the method of Bessel table of reduction values ​​used in the preparation of yearbooks and the processing of positional observations. In 1927 defined the amendment equinox 1915.0 Pulkovo catalog of the Pulkovo observations of the Sun for the period 1904 - 1915 and obtained a value for high quality. Processed the Pulkovo observations of the Sun for the period 1,885 - nineteen hundred years and the observation of proper motions of stars Helsingfors zone. Define the elements of the orbits of several comets , spent a great job of predvychisleiiyu appearance of a comet Meshena-Tuttle in 1926 , calculated the perturbations in the motion of comet Encke . Investigated some problems in the theory of the Earth figure and the theoretical gravity . Wrote a major work, "Potential theory with applications to shape the Earth and geophysics ( 1936 ). The author of the course " method of least squares and the theory of mathematical processing of observations and history books calendar , biographies, N. Copernicus , G. Galileo , I. Newton , J. Lagrange , A. Clairaut and N. Lobachevsky . Major historical and astronomical work Idelson published a book "Essays on the History of Celestial Mechanics" ( 1975 ).
Idelson named named a minor planet ( 1403 Idelsonia ), an open G. N. Neuimin 13 August 1936 in Simeiz Observatory , as well as a crater on the reverse side of the moon.  — Preceding unsigned comment added by 96.255.187.103 (talk) 22:27, 13 June 2011 (UTC)
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