Search Results: Peter harvey

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 and veins and the regular contractions...

Peter I of Russia (Peter the Great) was the Tsar of Russia from 1682-1721 and Emperor of Russia from 1721-1725. During his long reign, Peter had absolute power and brought real change to Russia, including building its first navy, introducing...

Saint Peter the Apostle was a well-known figure in early Christianity. Although there is no information on the life of Peter outside the Bible, in the Christian tradition, he is often depicted as the first on many occasions: the first to...

The Grand Embassy was the name given to the long Western European tour that Tsar Peter I of Russia (aka Peter the Great, r. 1682-1725) undertook during 1697-1698. Peter was joined by hundreds of people, including noblemen, his friends, volunteers...

Peter I of Russia (Peter the Great, l. 1672-1725) was the Tsar of Russia from 1682 to 1721 and the Emperor of Russia from 1721-1725. The lasting impression of Peter's long reign is the significant changes he brought to Russia due to his various...

The Great Northern War took place from 1700 to 1721 and was fought between Russia and Sweden during the reign of Peter I of Russia (Peter the Great). One of the key causes of the war was Peter the Great’s desire to have territory on the Baltic...

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

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

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

Catherine II of Russia (Catherine the Great) was empress regent of Russia from 1762-1796. She was born in Prussia to Prince Christian August of Anhalt-Zerbst (1690-1747) and Princess Johanna Elisabeth of Holstein-Gottorp (1712-1760), and...