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"Nicolaus Copernicus (/koʊˈpɜːrnɪkəs, kə-/; Polish: Mikołaj Kopernik; Middle Low German: Niclas Koppernigk, modern: Nikolaus Kopernikus; 19 February 1473 – 24 May 1543) was a Renaissance polymath, active as a mathematician, astronomer, and Catholic canon, who formulated a model of the universe that placed the Sun rather than Earth at its center. In all likelihood, Copernicus developed his model independently of Aristarchus of Samos, an ancient Greek astronomer who had formulated such a model some eighteen centuries earlier.

The publication of Copernicus' model in his book De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres), just before his death in 1543, was a major event in the history of science, triggering the Copernican Revolution and making a pioneering contribution to the Scientific Revolution.

Copernicus was born and died in Royal Prussia, a region that had been part of the Kingdom of Poland since 1466. A polyglot and polymath, he obtained a doctorate in canon law and was a mathematician, astronomer, physician, classics scholar, translator, governor, diplomat, and economist. 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."

                          (from Wikipedia)

 

"De revolutionibus orbium coelestium (About this soundlisten (help·info); English translation: On the Revolutions of the Heavenly Spheres) is the seminal work on the heliocentric theory of the astronomer Nicolaus Copernicus (1473–1543) of the Polish Renaissance. The book, first printed in 1543 in Nuremberg, Holy Roman Empire, offered an alternative model of the universe to Ptolemy's geocentric system, which had been widely accepted since ancient times."

                          (from Wikipedia)

 

 On the Revolutions of the Heavenly Spheres    (file size: about 25 MB)

 

Information on the translator of the book:

"Charles Glenn Wallis (1914-1944) was an American poet, and English translator of French, Classical Greek, and Latin.

He graduated in 1936 with a BA from the University of Virginia. During 1936-37 he was a member of the Committee on Liberal Education at the University of Chicago, and from July 1937 until 1942 he was a tutor and editor at St. John's College (Annapolis/Santa Fe) Maryland. During those years while he was in his twenties he was the first person ever to translate numerous difficult late medieval, early modern texts into English from Latin, including Copernicus' On The Revolutions of the Heavenly Spheres, Kepler 's Epitome of Copernican Astronomy, and Harmonies of the World as well as the 12th-13'th century English Philosopher Robert Grosseteste 's On Light. He published at least one story, "The Return", posthumously in Nicholas Moore and Douglas Newton's Atlantic Anthology (1945). Like a number of his poems, it is homoerotic in content.

His parents were Benjamin Hayward Wallis and Eleanor Sewell Glenn. He was eight months old when his father died on Jan 4, 1915. Charles Glenn himself died when he was thirty at St Vincents Hospital in New York City on May 4, 1944 on or near his 30th birthday from an accidental fall."

                          (from Wikipedia)