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Hippocrates was born on the Greek island of Kos in the 5th century BCE, and he became the most famous physician in antiquity. He established a medical school on the island, wrote many treatises on medical matters, and is, through his systematic...

Hipparchia of Maroneia (l. c. 350-280 BCE) was a Cynic philosopher who rejected her upper-class life to live her beliefs and share her values on the streets of ancient Athens. She was the wife of the Cynic Crates of Thebes (l. c. 360-280...

Archelaus of Athens (l. c. 5th century BCE) was a Pre-Socratic philosopher in ancient Greece who claimed the first cause of existence was the opposition of cold and heat which caused the separation of the universal essence to produce a plurality...

The Clouds is a comedy written c. 423 BCE by the Greek playwright Aristophanes (c. 448 BCE – c. 385 BCE). A failure at the Dionysia competition, finishing third out of three, it was revised later in 418 BCE but never produced in the author's...

Oribasius (c. 320-400/403 CE) was the physician and political advisor of the Roman emperor Julian the Apostate (r. 361-363 CE). A native of Pergamon, a rich and powerful Greek city in Mysia, he studied medicine and oratory and belonged to...

Greek mathematics, the study of numbers and their properties, patterns, structure, space, apparent change, and measurement, is said to have originated with Thales of Miletus (l. c. 585 BCE) but was clearly understood during the periods of...

Travel opportunities within the ancient Greek world largely depended on status and profession; nevertheless, a significant proportion of the population could, and did, travel across the Mediterranean to sell their wares, skills, go on religious...

Xenophon's Defense of Socrates (c. 371 BCE) is a passage from the Memorabilia of Xenophon (l. 430 to c. 354 BCE) in which he addresses the teachings and actions of Socrates of Athens and denounces the charges against him as unjust and unfounded...

Cratinus was a highly successful writer of Attic Old Comedy, but the very fragmentary nature of his surviving plays means that he is not as well remembered as Aristophanes (eleven of whose plays come down to us intact). Despite this, it is...

Antisthenes (c. 445-365 BCE) was a Greek philosopher who founded the Cynic School of Athens. He was a follower of Socrates and appears in Plato's Phaedo as one of those present at Socrates' death. He is one of the primary interlocutors in...