bn:00019602n
Noun Named Entity
Categories: Ancient Greek mathematicians, Ancient Greek astronomers, Ancient Greek geographers, Claudii, 2nd-century poets
EN
Ptolemy  Claudius Ptolemaeus
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EN
Claudius Ptolemy was a mathematician, astronomer, natural philosopher, geographer and astrologer who wrote several scientific treatises, three of which were of importance to later Byzantine, Islamic and Western European science. Wikipedia
Known as Ptolemy, the 2nd-century AD geographer and astronomer/astrologer Wikipedia Disambiguation
Greco-Egyptian writer and astronomer of Alexandria Wikidata