Aelius Theon was an Alexandria

Alexandria

Alexandria is the second-largest city of Egypt, with a population of 4.1 million, extending about along the coast of the Mediterranean Sea in the north central part of the country; it is also the largest city lying directly on the Mediterranean coast. It is Egypt's largest seaport, serving...

n sophist and author of a collection of preliminary exercises (progymnasmata) for the training of orators. He probably lived and wrote in the mid to late 1st century AD and his treatise is the earliest treatment of these exercises. The work (extant, though incomplete), which probably formed an appendix to a manual of rhetoric

Rhetoric

Rhetoric is the art of discourse, an art that aims to improve the facility of speakers or writers who attempt to inform, persuade, or motivate particular audiences in specific situations. As a subject of formal study and a productive civic practice, rhetoric has played a central role in the Western...

, shows learning and taste, and contains valuable notices on the style and speeches of the masters of Attic

Attic orators

The ten Attic orators were considered the greatest orators and logographers of the classical era . They are included in the "Alexandrian Canon" compiled by Aristophanes of Byzantium and Aristarchus of Samothrace.-The Alexandrian "Canon of Ten":* Aeschines* Andocides* Antiphon* Demosthenes*...

 oratory. Theon also wrote commentaries on Xenophon

Xenophon

Xenophon , son of Gryllus, of the deme Erchia of Athens, also known as Xenophon of Athens, was a Greek historian, soldier, mercenary, philosopher and a contemporary and admirer of Socrates...

, Isocrates

Isocrates

Isocrates , an ancient Greek rhetorician, was one of the ten Attic orators. In his time, he was probably the most influential rhetorician in Greece and made many contributions to rhetoric and education through his teaching and written works....

 and Demosthenes

Demosthenes

Demosthenes was a prominent Greek statesman and orator of ancient Athens. His orations constitute a significant expression of contemporary Athenian intellectual prowess and provide an insight into the politics and culture of ancient Greece during the 4th century BC. Demosthenes learned rhetoric by...

, and treatises on style. He is to be distinguished from the Stoic Theon, who lived in the time of Augustus

Augustus

Augustus ;23 September 63 BC – 19 August AD 14) is considered the first emperor of the Roman Empire, which he ruled alone from 27 BC until his death in 14 AD.The dates of his rule are contemporary dates; Augustus lived under two calendars, the Roman Republican until 45 BC, and the Julian...

and also wrote on rhetoric.

"Narrative is language descriptive of things that have happened or as if they had happened." Aelius Theon