Didymus Chalcenterus (Latin; Greek: Greek, Ancient (to 1453);: Δίδυμος Χαλκέντερος, Dídymos Chalkéderos, "Didymus Bronze-Guts"; c. 63 BC – c. AD 10) was an Ancient Greek scholar and grammarian who flourished in the time of Cicero and Augustus.
The epithet "Bronze-Guts" came from his indefatigable industry: he was said to have written so many books that he was unable to recollect what he had written in earlier ones, and so often contradicted himself. Athenaeus (4.139c) records that he wrote 3,500 treatises, while Seneca gives the figure of 4,000. As a result, he acquired the additional nickname (Greek, Ancient (to 1453);: βιβλιολάθας, biblioláthas), meaning "Book-Forgetting" or "Book-forgetter", a term coined by Demetrius of Troezen.
He lived and taught in Alexandria and Rome, where he became the friend of Varro. He is chiefly important as having introduced Alexandrian learning to the Romans.
He was a follower of the school of Aristarchus, and wrote a treatise on Aristarchus' edition of Homer entitled On Aristarchus' recension (Greek, Ancient (to 1453);: περὶ τῆς Ἀριστάρχου διορθωσέως perí tís Aristárchou diorthoséos), fragments of which are preserved in the Venetus A manuscript of the Iliad.
He also wrote monographs on many other Greek poets and prose authors. He is known to have written on Hesiod, the Greek lyric poets, notably Bacchylides and Pindar, and on drama; the better part of the Pindar and Sophocles scholia originated with Didymus. The Aristophanes scholia also cite him often, and he is known to have written treatises on Euripides, Ion, Phrynichus's Kronos, Cratinus, Menander,[1] and many of the Greek orators including Demosthenes, Aeschines, Isaeus, Hypereides and Deinarchus.
Besides these commentaries there are mentions of the following works, none of which survives:
In addition, there survive extracts on agriculture and botany,[4] mention of a commentary on Hippocrates, and a completely surviving treatise On all types of marble and wood (Greek, Ancient (to 1453);: περὶ μαρμάρων καὶ παντοίων ξύλων perí marmáron kai pantoíon xýlon). In view of the drastic difference in subject matter, it is possible that these represent the work of a different Didymos.[5]
The Stoic philosopher Seneca, in his Epistulae Morales ad Lucilium, claims that Didymus wrote 4,000 books, while making a commentary on the acquisition of useless knowledge.
Further insight into Didymus' methods of writing was provided by the discovery of a papyrus fragment of his commentary on the Philippics of Demosthenes. This confirms that he was not an original researcher, but a scrupulous compiler who made many quotations from earlier writers, and who was prepared to comment about chronology and history, as well as rhetoric and style.[6]
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