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87 years
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John Wallis was an English mathematician who is given partial credit for the development of infinitesimal calculus. Between 1643 and 1689 he served as chief cryptographer for Parliament and, later, the royal court. He is also credited with introducing the symbol for infinity. He similarly used for an infinitesimal. Asteroid 31982 Johnwallis was named after him.
Wallis made significant contributions to trigonometry, calculus, geometry, and the analysis of infinite series. In his Opera Mathematica I (1695) Wallis introduced the term "continued fraction"....
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Ptolemy, Astronomer / Mathematician
Claudius Ptolemy was a Greco-Egyptian writer of Alexandria, known as a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in the city of Alexandria in the Roman province of Egypt, wrote in... |
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Thomas Hobbes, Philosopher
Thomas Hobbes of Malmesbury was an English philosopher, best known today for his work on political philosophy. His 1651 book Leviathan established the foundation for most of Western political philosophy from the perspective of social contract theory.... |
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Cavalieri, Infinitesimal Calculus
Bonaventura Francesco Cavalieri was an Italian mathematician. He is known for his work on the problems of optics and motion, work on the precursors of infinitesimal calculus, and the introduction of logarithms to Italy. Cavalieri's principle in geome... |
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Charles I of England, Executed for High Treason
Charles I was monarch of the three kingdoms of England, Scotland, and Ireland from 27 March 1625 until his execution in 1649.
Charles was the second son of King James VI of Scotland, but after his father inherited the English throne in 1603, he mo... |
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Blaise Pascal, Inventing a Calculator
Blaise Pascal was a French mathematician, physicist, inventor, writer and Catholic philosopher. He was a child prodigy who was educated by his father, a tax collector in Rouen. Pascal's earliest work was in the natural and applied sciences where he m... |
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Christiaan Huygens, Dutch Scientist
Christiaan Huygens was a prominent Dutch mathematician and scientist. He is known particularly as an astronomer, physicist, probabilist and horologist.
Huygens was a leading scientist of his time. His work included early telescopic studies of the... |
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Christopher Wren, Architect St. Paul's Cathedral
Sir Christopher Wren was an English anatomist, astronomer, geometer, and mathematician-physicist, as well as one of the most highly acclaimed English architects in history. He was accorded responsibility for rebuilding 52 churches in the City of Lond... |
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Gottfried W. Leibniz, Discovery of Calculus
Gottfried Wilhelm von Leibniz was a German mathematician and philosopher. He occupies a prominent place in the history of mathematics and the history of philosophy.
Leibniz developed calculus independently of Isaac Newton, and Leibniz's mathematic... |
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The Royal Society of London
The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. Founded on 28 November 1660, it was granted a royal charter by King Charles II as "Th... |
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