Alexander ii: Did you mean...?

Alexander Fleming was a Scottish doctor and microbiologist who discovered the world’s first effective antibiotic: penicillin. This discovery revolutionized medicine, and has been described as the single greatest victory ever achieved over...

A c. 1880 oil on canvas, Portrait of Alexander Cassatt, by Mary Cassatt (1844-1926), the American impressionist painter. Alexander Cassatt, the artist's brother, was President of the Pennsylvania Railroad. (Private Collection)

The hypaspists or hypaspistai were a distinct type of infantry soldier who served as a vital part of the Macedonian armies of both Phillip II of Macedon (r. 359 BCE - 336 BCE) and his son and heir Alexander the Great (r. 336-323 BCE). The...

Have you ever wondered 'who was Alexander the Great? What is Alexander the Great famous for? or At what age and how did Alexander the Great die? Well, if you have, then this is the video for you. This video spans from the birth to the life...

A map showing the route that Alexander the Great took to conquer Egypt, Mesopotamia, Persia, and Bactria.

Head of Alexander the Great from a smaller than life-size statue, goldleaf on bronze, 2nd century CE. (Palazzo Massimo, Rome).

Synthetic production of penicillin by Professor Alexander Fleming, holder of the Chair of Bacteriology at London University, who first discovered the mould penicillin notatum, in his laboratory at St Mary's, Paddington, London (1943). Imperial...

Battle of Narva 1700 oil on canvas by Alexander Kotzebue.

A bust of Alexander the Great, 2nd-1st century BCE. Said to be from Alexandria, Egypt. (The British Museum, London).

Colonel Alexander Hamilton, dressed in the uniform of the New York artillery during the American Revolutionary War. Painting by Alonzo Chappel, c. 19th century.