1. Arrival in Alexandria as royal tutor

    · Alexandria, Ptolemaic Kingdom of Egypt

    Arrival in Alexandria as royal tutor
    Wikimedia Commons · Public domain · file

    Ptolemy III brought Eratosthenes to Alexandria to tutor the future Ptolemy IV Philopator, beginning his long Alexandrian career. Coordinates are a representative point for ancient Alexandria.

All 3 moments of Eratosthenes →