Alexander III of Macedon, commonly known as Alexander the Great, was a king of Macedon, a state in the north eastern region of Greece, and by the age of thirty was the creator of one of the largest empires in ancient history, stretching fro...

Gaius Julius Caesar is remembered as one of history's greatest generals and a key ruler of the Roman empire. As a young man he rose through the administrative ranks of the Roman republic, accumulating power until he was elected consul in 59...

Gregor Johann Mendel was a Austrian priest and scientist, and is often called the father of genetics for his study of the inheritance of traits in pea plants. Mendel showed that the inheritance of traits follows particular laws, which were...

Louis Blériot was a French aviator, inventor and engineer. In 1909 he completed the first flight across a large body of water in a heavier-than-air craft when he crossed the English Channel, receiving a prize of 1000 British pounds for doin...

Alan Mathison Turing OBE FRS was an English mathematician, computer scientist, logician, cryptanalyst, philosopher, and theoretical biologist. Turing was highly influential in the development of theoretical computer science, providing a for...

Dolly (July 5, 1996 – February 14, 2003), a ewe, was the first mammal to be cloned from an adult somatic cell. The cell used was a mammary cell, which is why she was named Dolly, after the curvaceous country western singer Dolly Parton. She...