This is attributed to Theodotus, a Valentinian gnostic.https://www.cambridge.org/core/journals/harvard-theological-review/article/abs/epic-of-theodotus-and-the-hellenism-of-the-hasmoneans/11B988109CA30B1B502B4A67FB157588In view of the enormous expansion of biblical studies in the last century it is highly exceptional when a book published more than a hundred years ago remains today the basic work on its subject. Such is Jakob Freudenthal’s study of the Hellenistic Jewish writers preserved by Alexander…

Clement of Alexandria, Stromata, Book II, Chapter 20 At present this only needs to be pointed out, that man, according to Basilides, preserves the appearance of a wooden horse, according to the poetic myth, embracing as he does in one body a host of such different spirits. Accordingly, Basilides’ son himself, Isidorus, in his book,…

J. Quasten writes (Patrology, vol. 1, pp. 256-260): The work of Basilides was continued by his son and pupil Isidore, of whom we know even less than of his father. Clement of Alexandria (Stromat. 2,113; 6,53; 3,1-3) has a few quotations from three of his writings. He wrote An Explanation of the Prophet Parchor, in…

https://journals.sagepub.com/doi/abs/10.1177/002182860403500301 https://www.britannica.com/biography/Ptolemy

Harnack first suggested this:They are roughly contemporary, associated with Rome, and teachers of women. Justin, 2nd Apology 2 And her quondam husband, since he was now no longer able to prosecute her, directed his assaults against a man, Ptolemæus, whom Urbicus punished, and who had been her teacher in the Christian doctrines. And this he…

In the preface to his work, Irenaeus states: “I intend, then, to the best of my ability, with brevity and clearness to set forth the opinions of those who are now promulgating heresy. I refer especially to the disciples of Ptolemaeus, whose school may be described as a bud from that of Valentinus.” Here is…

Epiphanes was the son of the gnostic teacher Carpocrates, who flourished in the reign of Hadrian. Carpocrates is said to have died when he was only 17. His only work is preserved by a quotation from Clement of Alexandria.

https://brill.com/view/journals/vc/71/1/article-p1_1.xml There is no credible evidence that Marcion was a docetist. Marcion’s alleged belief that Christ was a phantasm is found in accusations made by Tertullian, but these accusations are a form of reductio ad absurdum and not firsthand information on Marcion’s Christology. There are in fact remnants of data in Tertullian’s Adversus Marcionem, which…

http://web.archive.org/web/20091021095441/http://geocities.com/athens/ithaca/3827/marcion.html

Introduction What was Marcion’s contribution to Christianity, especially to the New Testament Canon? Did he collect the first canon, or was his canon a reaction to an explicit or implicit canon already in existence? Casper Rene Gregory called Marcion “in every way the most active and influential man, bearing the name of Christian, between Paul…