Ancient Greek merchants

Thucydides ( ; ; BC) was an Athenian historian and general. His History of the Peloponnesian War recounts the fifth-century BC war between Sparta and Athens until the year 411 BC. Thucydides has been dubbed the father of "scientific history" by those who accept his claims to have applied strict standards of impartiality and evidence-gathering and analysis of cause and effect, without reference to intervention by the gods, as outlined in his introduction to his work.

Cleon (; Kleon ; died 422 BC) was an Athenian politician and general (strategos) during the Peloponnesian War. The son of Cleaenetus, a wealthy tanner, Cleon was among the first prominent Athenian politicians of the 5th century BC to obtain power from outside the established elite.

Athenian politician (died 405 BC)

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thumb|Hippalus is credited by the Periplus of the Erythraean Sea|Periplus of the Erythreaen Sea as the first to discover the passage from the [[Red Sea to India over the Indian Ocean]]

Xeniades () was a skeptical philosopher from Corinth, probably a follower of the pre-Socratic Xenophanes. There may have been two such persons, as he is referenced by Democritus c. 400 BC, though was also supposedly the purchaser of Diogenes the Cynic c. 350 BC, when he was captured by pirates and sold as a slave. Xeniades was supposed to have been the man who persuaded Monimus to become a follower of Diogenes, and was the source of his skeptical doctrines.

Pasion (also Pasio; ; 440 – 370 BC) was a slave who rose to become a successful banker and Athenian citizen in Ancient Athens in the early 4th century BC.

Sophroniscus (Greek: Σωφρονίσκος, Sophroniskos), husband of Phaenarete, was the father of the philosopher Socrates.

6th century BC Greek merchant