ASTRONOMER

Sosigenes of Alexandria

80 BC - 100 BC

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Sosigenes (Ancient Greek: Σωσιγένης) (fl. 1st century BC) was an Ancient Greek astronomer. According to Pliny the Elder's Natural History 18.210–212, Julius Caesar consulted him while he was designing the Julian calendar. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Sosigenes of Alexandria is the 36th most popular astronomer (up from 42nd in 2019), the 89th most popular biography from Egypt (up from 125th in 2019) and the 2nd most popular Egyptian Astronomer.

Sosigenes of Alexandria is most famous for the discovery of the precession of the equinoxes.

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Among ASTRONOMERS

Among astronomers, Sosigenes of Alexandria ranks 36 out of 644. Before him are Riccardo Giacconi, Charles Greeley Abbot, Giovanni Schiaparelli, Heinrich Louis d'Arrest, Johann Palisa, and Johann Gottfried Galle. After him are William Lassell, Robert Woodrow Wilson, Vesto Slipher, Johannes Hevelius, Asaph Hall, and Johann Bayer.

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Contemporaries

Among people born in 80 BC, Sosigenes of Alexandria ranks 3. Before him are Vercingetorix, and Valmiki. After him are Gnaeus Pompeius, Aenesidemus, and Gnaeus Domitius Ahenobarbus. Among people deceased in 100 BC, Sosigenes of Alexandria ranks 1. After him are Gnaeus Pompeius Trogus, Lentulus Batiatus, Wang Zhaojun, Gaius Claudius Glaber, Publilius Syrus, Publius Ventidius Bassus, Bocchus I, Archelaus, Seleucus VII Philometor, Lucius Appuleius Saturninus, and Antipater of Sidon.

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In Egypt

Among people born in Egypt, Sosigenes of Alexandria ranks 89 out of 642. Before him are Ptolemy Keraunos (-318), Pappus of Alexandria (290), Shepseskare (-2450), Cleopatra V of Egypt (-100), Hassan al-Banna (1906), and Djedefre (-2600). After him are Al-Kamil (1177), Eric Hobsbawm (1917), Athenaeus (200), Psamtik I (-700), Muhammad Abduh (1849), and Lactantius (250).

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Among ASTRONOMERS In Egypt

Among astronomers born in Egypt, Sosigenes of Alexandria ranks 2. Before him are Ptolemy (100). After him are Timocharis (-320).

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