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    Toscanelli, Italian Mathematician  
Paolo dal Pozzo Toscanelli was an Italian mathematician, astronomer, and cosmographer. Toscanelli is noted for his observations of comets and the painstaking calculation of their orbits. Among these was the comet of 1456; only named Halley'...
 
    Regiomontanus, Astronomer / Mathematician  
Johannes Müller von Königsberg, today best known by the Latin epithet Regiomontanus, was a German mathematician, astronomer, astrologer, translator, instrument maker and Catholic bishop. He was born in the Franconian village of Unfinden,...
 
    Copernicus, Earth moves around the Sun  
Nicolaus Copernicus was a Renaissance- and Reformation-era mathematician and astronomer who formulated a model of the universe that placed the Sun rather than the Earth at the center of the universe, likely independently of Aristarchus of S...
 
    Gerardus Mercator, Cartographer  
Gerardus Mercator, Flemish cartographer. He received a master's degree in 1532 from the University of Louvain (Belgium), where he settled. By 24 he was a skilled engraver, calligrapher, and scientific-instrument maker. He and his colleagues...
 
    Carolus Clusius, or Charles de l'Écluse, Botanist  
Carolus Clusius, or Charles de l'Écluse, was a Flemish doctor and pioneering botanist, perhaps the most influential of all 16th century scientific horticulturists. In 1573 he was appointed prefect of the imperial medical garden in Vienna by...
 
    John Dee, Scientist  
John Dee was a noted British mathematician, astronomer, astrologer, geographer, and consultant to Queen Elizabeth I. He also devoted much of his life to alchemy, divination, and Hermetic philosophy. Dee straddled the worlds of science and...
 
    Joseph Scaliger, Definition of Chronology  
Joseph Justus Scaliger was considered to be the foremost scholar in sixteenth-century Europe, referred to as "the light of the world", "the sea of sciences" and similar epithets, and it is to him that we owe a "modern" definition of chronol...
 
    Giordano Bruno, Martyr for Science  
Giordano Bruno was an Italian Dominican friar, philosopher, mathematician, poet, and cosmological theorist. He is known for his cosmological theories, which conceptually extended the then-novel Copernican model. He proposed that the stars w...
 
    Simon Stevin, Engineer  
Born at Bruges in 1548; died at Leyden in 1620. He was for some years book-keeper in a business house at Antwerp; later he secured employment in the administration of the Franc of Bruges. After visiting Prussia, Poland, Sweden, and Norway h...
 
    Napier, Inventor of Logarithms  
John Napier was a Scottish mathematician, physicist, astronomer & astrologer, and also the 8th Laird of Merchistoun. He was the son of Sir Archibald Napier of Merchiston. John Napier is most renowned as the discoverer of the logarithm. Napi...
 
    Galileo Galilei, Father of Modern Science  
Galileo Galilei was an Italian polymath: astronomer, physicist, engineer, philosopher, and mathematician. He has been called the "father of observational astronomy", the "father of modern physics", the "father of the scientific method", and...
 
    Samuel de Champlain, Founder Quebec - 1608  
Samuel de Champlain was a French Explorer. He made several expeditions to North America before founding Quebec in 1608 with 32 colonists, most of whom did not survive the first winter. He joined with the northern Indian tribes to defeat Iro...
 
    Johannes Kepler, Laws Planetary Motion  
Johannes Kepler was a German mathematician, astronomer, and astrologer. A key figure in the 17th century scientific revolution, he is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epi...
 
    Willebrord Snellius, Mathematician  
Willebrord Snellius was a Dutch astronomer and mathematician, known in the English-speaking world as Snell. In the west, especially the English speaking countries, his name has been attached to the law of refraction of light for several cen...
 
    Jan van Helmont, Discovery CO2  
Jan Baptist van Helmont was an early modern period Flemish chemist, physiologist, and physician. He worked during the years just after Paracelsus and iatrochemistry, and is sometimes considered to be "the founder of pneumatic chemistry". Va...
 
       
         
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