Ptolemy was a teacher active in Rome in the 2nd century (until 180?). He may have died a martyr's death, if he is to be identified with a Ptolemy mentioned by Justin. He is the author of a Letter to Flora preserved by the heresiologist Epiphanius of Salamis (Panarion 33, 3-7). As a Gnostic, he is considered to be a representative of the western branch of the Valentinian school and the one whose doctrine is explained by Irenaeus (Adversus haereses I, 1-9).
Birth date | ? |
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Death date | ? |
Group of authors | Alexandria |