??eratosthenes ??: Did you mean...?

Alexandria is a port city on the Mediterranean Sea in northern Egypt founded in 331 BCE by Alexander the Great. It was the site of the Pharos (lighthouse), one of the seven wonders of the ancient world, and the legendary Library of Alexandria...

Hypatia of Alexandria (c. 370 - March 415) was a female philosopher and mathematician, born in Alexandria, Egypt possibly in 370 (although some scholars cite her birth as c. 350). Little is known of her life but her dramatic death at the...

Ptolemaic Egypt existed between 323 and 30 BCE when Egypt was ruled by the Macedonian Ptolemaic dynasty. During the Ptolemaic period, Egyptian society changed as Greek immigrants introduced a new language, religious pantheon, and way of life...

Marcus Vitruvius Pollio (c. 90 - c. 20 BCE), better known simply as Vitruvius, was a Roman military engineer and architect who wrote De Architectura (On Architecture), a treatise which combines the history of ancient architecture and engineering...

Menelaus of Alexandria was a Greek astronomer, scientist, and mathematician who lived around 100 CE. Menelaus made a significant and lasting contribution to the fields of astronomy, geometry, and trigonometry. His major work, the Spherics...

Aristarchus of Samos (l. c. 310 - c. 230 BCE) was a Greek astronomer who first proposed a heliocentric model of the universe in which the sun, not the earth, was at the center. Although his theory was noted by other thinkers of his time...

Crates of Thebes (l. c. 360-280 BCE) was one of the most important Cynic philosophers of ancient Greece. He was born to a wealthy family in Thebes but gave away his inheritance after realizing the futility of material possessions and the...

Isaac Newton (1642-1727) was an English mathematician and physicist widely regarded as the single most important figure in the Scientific Revolution for his three laws of motion and universal law of gravity. Newton's laws became a fundamental...

Women in ancient Egypt had more rights than in any other ancient culture and were valued with greater respect. This is evident not only in the physical evidence and inscriptions but in their religion. Some of the most powerful and important...

Herodotus (484 BCE – c. 425 BCE) has been called the Father of History since he was the first historian known to collect his materials in detail, test their accuracy to a certain extent and arrange them in a well-constructed and vivid narrative...