Answer:

A historian is a person who studies and writes about the past, and is regarded as an authority on it.[1] HISTORIANS are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the study of all history in time. If the individual is concerned with events preceding written history, the individual is a historian of prehistory. Some historians are recognized by publications or training and experience.[2] "Historian" became a professional occupation in the late nineteenth century as research universities were emerging in Germany and elsewhere

Herodotus (484 – c. 420 BC), Halicarnassus, wrote the Histories that ESTABLISHED Western historiography.

Thucydides (460 – c. 400 BC), Peloponnesian War

Xenophon (431 – c. 360 BC), Athenian knight and student of Socrates

Ctesias (early 4th century BC), Greek historian of Assyrian, Persian, and Indian history

Ephorus of Cyme (c. 400–330 BC), Greek history

Theopompus (c. 380 – c. 315 BC), Greek history

Eudemus of Rhodes (c. 370 – c. 300 BC), Greek historian of science

Ptolemy I Soter (367 – c. 283 BC), general of Alexander the Great, founder of Ptolemaic Dynasty

Duris of Samos (c. 350 – after 281 BC), Greek history

Berossus (early 3RD century BC), Babylonian historian

Timaeus of Tauromenium (c. 345 BC – c. 250 BC), Greek history

Manetho (3rd century BC), Egyptian historian and priest from Sebennytos (ancient Egyptian: Tjebnutjer) living in the Ptolemaic era

Quintus Fabius Pictor (BORN c. 254 BC), Roman history

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