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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...

Filippo Brunelleschi (1377-1446 CE) was an Italian Renaissance architect, goldsmith, and sculptor, who is most famous for his work on the cathedral of Florence and its impressive soaring brick dome, completed in 1436 CE. Considered...

Sir Walter Raleigh (c. 1552-1618 CE) was an English courtier, soldier, mariner, explorer, and historian. A one-time favourite of his queen, Elizabeth I of England (r. 1558-1603 CE), Raleigh organised three expeditions to form a...

The vizier in ancient Egypt was the most powerful position after that of king. Known as the djat, tjat, or tjati in ancient Egyptian, a vizier was the equivalent of the modern-day prime minister of the nation who actually...

Frederick II of Prussia (1712-1786), better known as Frederick the Great, was one of the most consequential rulers of 18th-century Europe. A scion of the House of Hohenzollern, he came to power in 1740...

The Rocket was a pioneering steam-powered locomotive invented in 1829 by the British engineer Robert Stephenson (1803-1859). For a cash prize, extensive competition trials were held to find the best locomotive in the Rainhill...

Crazy Horse (Tasunke Witko, l. c. 1840-1877) was an Oglala Lakota Sioux warrior and warband leader considered among the greatest defenders of Sioux lands against the forces of the US government in the 19th century. He is one of the...

Sushruta (c. 7th or 6th century BCE) was a physician in ancient India known today as the “Father of Indian Medicine” and “Father of Plastic Surgery” for inventing and developing surgical procedures. His work on the subject, the Sushruta...

Themistocles (c. 524 - c. 460 BCE) was an Athenian statesman and general (strategos) whose emphasis on naval power and military skills were instrumental during the Persian wars, victory in which ensured that Greece survived its greatest...

Edgar Allan Poe (1809-1849) was an American author and poet, often credited as the father of the short story, a pioneer of science fiction, the inventor of the detective story, and the master of the horror genre. He is best known...