Castor of Rhodes in Wikipedia

Castor of Rhodes (also known as Castor of Massalia or Castor of Galatia according to Suidas) was a Greek grammarian and rhetorician, surnamed Philoromaeus, and is usually believed to have lived about the time of Cicero and Julius Caesar. Background He is frequently referred to as an authority in historical matters, though no historical work is specified, so that those references may allude to any of the above-mentioned works.[1] His partiality to the Romans is indicated by his surname; but in what manner he shewed this partiality is unknown, though it may have been in a work mentioned by Plutarch,[2] in which he compared the institutions of the Romans with those of Pythagoras. Suidas describes the grammarian and rhetorician Castor as a son-in-law of the Galatian king Deiotarus (whom, however, he calls a Roman senator), who not withstanding afterwards put to death both Castor and his wife because Castor had brought charges against him before Caesar, evidently alluding to the affair in which Cicero defended Deiotarus. The Castor whom Suidas thus makes a relative of Deiotarus, appears to be the same as the Castor mentioned by Strabo[3] who was surnamed Saocondarius, was a son-in-law of Deiotarus, and was put to death by him. But it is, to say the least, extremely doubtful whether the rhetorician had any connection with the family of Deiotarus at all. The Castor who brought Deiotarus into peril is expressly called a grandson of that king, and was yet a young man at the time (44 BC) when Cicero spoke for Deiotarus.[4] Now we have seen above that one of the works of Castor is referred to in the Bibliotheca of Apollodorus, who died sometime around 140 BC. The conclusion, therefore, must be that the rhetorician Castor must have lived at or before the time of Apollodorus, at the latest, about 150 BC, and can have had no connection with the Deiotarus for whom Cicero spoke.[5] Works According to Suidas, Castor composed the following works: * Anagraphe ton thalassokratesanton ("Record of Thalassocrasies") in two books. * Chronika Agnoemata ("Chronological Errors") which is also referred to by Apollodorus.[6] * Peri epicheirematon ("On Arguments or Adventures"), in nine books. * Peri peithous, ("On Persuasion"), in two books. * Peri tou Neilou ("On the Nile"). * Techne rhetorike ("Rhetorical Art") * Chronologia or Chronika, which is referred to several times by Eusebius of Cesarea.

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