William Harvey: Did you mean...?

The human body's system of blood circulation was discovered by the English physician and anatomist William Harvey (1578-1657) in 1628. Harvey determined the relationship between the blood system of arteries...

A painting showing William Harvey (1578-1657) demonstrating to King Charles I of England (r. 1625-1649) his theory of the circulatory system.

William the Conqueror (c. 1027-1087), also known as William, Duke of Normandy, led the Norman Conquest of England in 1066 when he defeated and killed his rival Harold Godwinson at the Battle of Hastings. Crowned King William...

William III of England (also William II of Scotland, r. 1689-1702) became king of England, Scotland, and Ireland after the Glorious Revolution of 1688. Protestant William, Prince of Orange, was invited to rule jointly with...

William the Silent (l. 1533-1584, also known as William of Orange) was the leader of the Dutch Revolt (the Eighty Years' War) in the Netherlands; first politically (between 1559-1568) then militarily (between 1568-1584). He...

A statue of the English physician William Harvey (1578-1657) who discovered the circulatory system in 1628. Folkestone, England, where Harvey was born.

The Englishman Sir William Marshal (c. 1146-1219 CE, aka William the Marshal), Earl of Pembroke, is one of the most celebrated knights of the Middle Ages. Renowned for his fighting skills, he remained undefeated...

A c. 1627 portrait of the English physician William Harvey (1578-1657) who discovered the circulatory system in 1628. (National Portrait Gallery, London)

William II of England, sometimes called William 'Rufus' for his red hair and complexion, reigned as the king of England from 1087 to 1100 CE. The son of William the Conqueror (r. 1066-1087 CE), the younger William was loyal...

William I of Scotland, also known as 'William the Lion' after his heraldic emblem, reigned from 1165 to 1214 CE. Succeeding his elder brother Malcolm IV of Scotland (r. 1153-1165 CE), William was faced with a shrinking kingdom...