Contemporary with him was Agatho, an Athenian tragic and comic poet—there is now nothing extant of his works, except quotations in Aristotle and others.
Xenophon, whose works are well known, lived about the year 398 before Christ.
Ctesias, who wrote a history of the Assyrians and Persians, which Justin and Diodorus have prefered to that of Herodotus, lived also at this time. Some fragments of his compositions have been preserved.
The works of Plato are numerous—they are all written, except twelve letters, in the form of a dialogue. 388.
Of the 64 orations of Isæus, 10 are extant. Demosthenes imitated him. 377.
About 32 of the orations of Isocrates, who lived at the same time, remain.
All the compositions of the historian Theopompus are lost, except a few fragments quoted by ancient writers. 354.
Ephorus lived in his time—he wrote a history commencing with the return of the Heraclidæ and ending with the 20th year of Philip of Macedon. It was in 30 books and is frequently quoted by Strabo and others.
Almost all the writings of Aristotle are extant. Diogenes Laertes has given a catalogue of them. His Art of Poetry has been imitated by Horace.