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date: 30 November 2022



  • G. J. Toomer


Wrote (perhaps c.360 ce) a treatise on astronomy, Κυκλικὴ θεωρία [μετεώρων] ‘Elementary Theory [of the Heavens]’. Although disordered and often trivial, the work is valuable for what it preserves from earlier mathematical and philosophical writers, notably *Posidonius (2). It provides (the most details for Eratosthenes' ‘measurement of the earth’, although Cleomedes’ account appears to be largely fictitious.


  • Science, Technology, and Medicine

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