Aleksandr Ivanov

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Ivanov, Aleksandr Aleksandrovich


Born Apr. 4 (16), 1867, in St. Petersburg; died Nov. 23, 1939, in Leningrad. Soviet astronomer. Specialist in celestial mechanics and practical astronomy. Corresponding member of the Academy of Sciences of the USSR (1925).

In 1889, Ivanov graduated from the University of St. Petersburg, where he was a professor from 1908 to 1929. From 1890 to 1901 he was an astronomer at the Pulkovo Observatory, becoming its director in 1919 and serving in this capacity until 1930. Ivanov investigated the variations in the latitude of the Pulkovo Observatory, worked out a theory of the earth’s shape and studied the distribution of the force of gravity on its surface, and investigated the motions of asteroids and comets. Ivanov generalized his pedagogical experience in a series of university courses in basic fields of astronomy. He was chairman of the Russian Astronomical Society (1906–10, 1913).


A. A. Ivanov (1867–1939). Osnovnye daty zhizni i deiatel’nosti A.A. Ivanovo. Leningrad, 1949. (Contains a bibliography.)
References in periodicals archive ?
Prestigious award to the City Head of Kaluga Konstantin Gorobtsov on Monday, March 12, before the start of the workshop in the municipality was handed over by the Head of Kaluga City Administration Alexander Ivanov.
in August 2011, as well as by Alexander Ivanov, Ervins Luksevics and Vadim Glinskiy in the spring and summer of 2012.
Blockchain, a decentralized system used for exchanges of virtual money such as bitcoin, still hasn't scratched the surface but it will become a mainstream platform soon, according to Alexander Ivanov, the founder of a distributed exchange called Waves.
The Arabic-language al-Hadath news website quoted Alexander Ivanov, the spokesman of Russia's airbase at Humeimim, as saying that al-Nusra has used a US-made missile to bring down the Syrian fighter jet on Tuesday.
The launch rate decreased because of a change in Russia's space strategy, Alexander Ivanov, deputy chief of Russia's Roscosmos space agency, told the (https://themoscowtimes.
Finstar Financial Group, an international private equity group, has announced senior appointments to its management team with the hiring of Eugene Timko as investment director, Michele Tucci as head of Mobile Products and Business Development, and Alexander Ivanov who has been appointed to develop venture capital investments.
Embroiled in a plot to steal secrets for the Americans at the height of the Cold War, Katya Grinkova (Rebecca Ferguson) finds herself torn between love and duty when she falls for her target, idealistic Soviet politician Alexander Ivanov (Sam Reid).
Alexander Ivanov, a 25-year-old volunteer from Russia, says he prefers sustainable, practical clothing and avoids labels.
Only one third of 15 people passed the competition to read their poems about love," said chief editor of the Literary Kyrgyzstan magazine Alexander Ivanov.
When she beat Alexander Ivanov last fall at the New England Open, Carissa became the youngest female ever to defeat a grandmaster.
And in 2007 Russian billionaire Alexander Ivanov paid [euro]12million for a Faberge egg made in 1902.
MOSKOVA (CyHAN)- An advanced Russian Angara rocket by definition could not be used as an intercontinental ballistic missile (ICBM), the First Deputy Director of the Russian Federal Space Agency, Roscosmos, Alexander Ivanov said Monday.