Theon of Alexandria: Did you mean...?

View of Alexandria from the sea, 2008.

The Seven Wonders of the Ancient World were seven impressive structures famously listed by ancient writers including Philo of Byzantium, Antipater of Sidon, Diodorus Siculus, Herodotus, Strabo, and Callimachus of Cyrene, among others. The...

Hipparchus of Nicea (l. c. 190 - c. 120 BCE) was a Greek astronomer, geographer, and mathematician regarded as the greatest astronomer of antiquity and one of the greatest of all time. He is best known for his discovery of the precession...

Dive into the life of one of Ancient Rome’s most powerful figures, Hypatia of Alexandria, a renowned scholar and political advisor to the city's leaders. — In the city of Alexandria in 415 CE, the bishop and the governor were in a fight...

Ptolemaic (2nd century BCE) mosaic emblema from Alexandria with the depiction of a dog seated next to a gilded vessel. This mosaic is made in the opus vermiculatum technique, using small, closely set tesserae. Bibliotheca Alexandrina Antiquities...

Red River at Alexandria, Louisiana. Approximating what the sandbar on the Mississippi River might have looked like at the Sandbar Fight of 1827, which made James Bowie famous. Photograph by Billy Hathorn, 2008.

Egyptian Mythology: a Traveller's Guide from Aswan to Alexandria book cover. © Thames & Hudson

Queen Catherine of Braganza as Saint Catherine of Alexandria, oil on canvas by Jacob Huysmans, c.1664-70. State Entrance, Hillsborough Castle Royal Collection Trust

View full lesson: https://ed.ted.com/lessons/what-really-happened-to-the-library-of-alexandria-elizabeth-cox 2,300 years ago, the rulers of Alexandria set out to fulfill a very audacious goal: to collect all the knowledge in the world...

Dive into the life of one of Ancient Rome’s most powerful figures, Hypatia of Alexandria, a renowned scholar and political advisor to the city's leaders. — In the city of Alexandria in 415 CE, the bishop and the governor were in a fight...