Nicolaus Copernicus

Lore & Background

Nicolaus Copernicus was born on 19 February 1473 in the city of Toruń (Thorn), in the province of Royal Prussia, in the Crown of the Kingdom of Poland, to German-speaking parents. His father was a merchant from Kraków who dealt in copper, selling it mostly in Danzig (Gdańsk), and died about 1483. After his father's death, Copernicus's maternal uncle, Lucas Watzenrode the Younger (1447–1512), who became Bishop of Warmia in 1489, took Copernicus under his wing and saw to his education and career. Copernicus never married and is not known to have had children, but from at least 1531 until 1539 his relations with Anna Schilling, a live-in housekeeper, were seen as scandalous by two bishops of Warmia who urged him over the years to break off relations with his 'mistress'. He obtained a doctorate in canon law and was a mathematician, astronomer, physician, classics scholar, translator, governor, diplomat, and economist. From 1497 he was a Warmian Cathedral chapter canon. In 1517 he derived a quantity theory of money—a key concept in economics—and in 1519 he formulated an economic principle that later came to be called Gresham's law.

Reader's Guide

Copernicus's heliocentric model, published in De revolutionibus orbium coelestium just before his death in 1543, marked a pivotal shift in astronomy, challenging the long-standing geocentric view. Although Aristarchus of Samos had proposed a similar model eighteen centuries earlier, Copernicus likely arrived at his independently. His work triggered the Copernican Revolution and contributed to the Scientific Revolution. Beyond astronomy, Copernicus derived a quantity theory of money in 1517 and formulated an economic principle later called Gresham's law in 1519, demonstrating his breadth as a polymath. His life and work remain central to the history of science and economics.

Did You Know?

• Copernicus's father was a merchant from Kraków who dealt in copper, selling it mostly in Danzig (Gdańsk).
• From at least 1531 until 1539, Copernicus's relations with his live-in housekeeper Anna Schilling were seen as scandalous by two bishops of Warmia.
• In 1517 Copernicus derived a quantity theory of money, a key concept in economics.
• In 1519 he formulated an economic principle that later came to be called Gresham's law.
• Copernicus's maternal uncle, Lucas Watzenrode the Younger, was elected Bishop of Warmia in 1489 and was once referred to by the Grand Master of the Teutonic Order as 'the devil incarnate'.