Famous People Born In 1640

Philippe I, Duke of Orléans received the dukedoms of Chartres and Valois in 1661 as the younger son of Louis XIII of France. Unlike most royal persons of his generation, Philippe was open about his homosexuality and did not think twice before acting effeminately in public. However, he fathered several children and earned the nickname the grandfather of Europe.

Madame de Montespan was the chief Royal mistress of King Louis XIV of France. Thanks to her strong influence over Louis XIV, Madame de Montespan was sometimes referred to as the true Queen of France during Louis' reign. One of the most celebrated chief Royal mistresses of all time, Madame de Montespan had seven children with Louis XIV of France.

Second son of Emperor Ferdinand III, Leopold I became the heir apparent to his father’s throne on the death of his elder brother in 1654, being coroneted as the Holy Roman Emperor in 1658. Although he received little training for the throne, Austria became a great European power during his reign, emerging victorious in struggles against Ottoman Empire and France.

Initially a theologian, Gaspar Sanz later went to Italy to study music and later also focused on literature. Best remembered for his works such as Instruccion de musica sobre la guitarra Espanola, he also developed the use of the classical guitar. He had also been an organist to the viceroy of Napoles.

Șerban Cantacuzino reigned as the Prince of Wallachia from 1678 to 1688. He is credited with introducing maize to Wallachia and Romania. Șerban Cantacuzino also played a major role in establishing various printing presses and is best remembered for having commissioned the famous Cantacuzino Bible.

The son of a preacher, economist Nicholas Barbon actively participated in reconstructing London following the Great Fire of 1666 and then launched his own insurance company, pioneering fire insurance. As an economist, he penned significant works on the free market and division of labor. He was also a qualified doctor.

John Mayow is said to have discovered oxygen as piritus nitroaereus about a century before the existence of Antoine-Laurent Lavoisier and Joseph Pristley. Though he initially studied law, he later switched to practicing medicine and is remembered for his contribution to pneumatic chemistry. He was named a Fellow of The Royal Society.