Rachel Louise Carson was an American marine biologist and conservationist whose book Silent Spring and other writings are credited with advancing the global environmental movement. Carson began her career as an aquatic biologist in the U...

James Butler Hickok, known as "Wild Bill" Hickok, was a folk character of the American Old West. Some of his exploits as reported at the time were fictionalized, but his skills as a gunfighter and gambler provided the basis for his enduring...

Rear-Admiral Sir Francis Beaufort, was a hydrographer and officer in Britain's Royal Navy. Beaufort was the creator of the Beaufort scale for indicating wind force. Sir Francis Beaufort's father, Daniel Augustus Beaufort, was a Protestant c...

William II was sovereign Prince of Orange and stadtholder of the United Provinces of the Netherlands from 14 March 1647 until his death three years later. His only child, also named William, would go on to reign as William III of England an...

Ibn Khaldun or Aith Khaldoun was a Arab Muslim historiographer and historian, and one of the founding fathers of modern historiography, sociology and economics. He is best known for his Muqaddimah (known as Prolegomena in Greek), which w...