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Decimal notation
Simon Stevin (1585) created the basis for modern decimal notation capable of describing all numbers, whether rational or irrational. -
The analytic geometry developed by René Descartes (1596–1650)
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Sir Isaac Newton
He shares credit with Gottfried Leibniz for the development of calculus along with several other contributions to science and mathematics.
https://en.wikipedia.org/wiki/Isaac_Newton -
Leohnard Euler
The most influential mathematician of the 18th century was arguably Leonhard Euler. His contributions range from founding the study of graph theory with the Seven Bridges of Königsberg problem to standardizing many modern mathematical terms and notations. For example, he popularized the use of the Greek letter pi to stand for the ratio of a circle's circumference to its diameter. He made numerous contributions to the study of topology, graph theory, calculus, combinatorics, and complex analysis, -
Joseph Lagrange & Laplace
Joseph Louis Lagrange did pioneering work in number theory, algebra, differential calculus, and the calculus of variations. Laplace who, in the age of Napoleon, did important work on the foundations of celestial mechanics and on statistics. -
Carl Friederich Gauss
Carl Friedrich Gauss (1777–1855). Leaving aside his many contributions to science, in pure mathematics he did revolutionary work on functions of complex variables, in geometry, and on the convergence of series. He gave the first satisfactory proofs of the fundamental theorem of algebra and of the quadratic reciprocity law.Carl Friedrich Gauss (1777–1855). Leaving aside his many contributions to science, in pure mathematics he did revolutionary work on functions of complex variables, in geometry, -
Gottfried Wilhelm Leibniz
Gottfried Wilhelm Leibniz, who is arguably one of the most important mathematicians of the 17th century, developed calculus and much of the calculus notation still in use today. Science and mathematics had become an international endeavor, which would soon spread over the entire world -
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Albert Einstein
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David Hilbert speech
In a 1900 speech to the International Congress of Mathematicians, David Hilbert set out a list of 23 unsolved problems in mathematics. These problems, spanning many areas of mathematics, formed a central focus for much of 20th-century mathematics. Today, 10 have been solved, 7 are partially solved, and 2 are still open. The remaining 4 are too loosely formulated to be stated as solved or not. -
Alonzo Church introduces Lambda calculus.
Alonzo Church introduces Lambda calculus. -
Sputnik
The 20th century saw mathematics become a major profession mainly due to Russia launching the first satellite in space, Sputnik, on October 4, 1957. It set the United States into a panic that Russia was more advanced and the focus shifted on mathematics and science. Every year, thousands of new Ph.D.s in mathematics were awarded, and jobs were available in both teaching and industry. -
Kepler conjecture proven
Thomas Callister Hales (almost certainly) proves the Kepler conjecture. The Kepler conjecture, named after the 17th-century mathematician and astronomer Johannes Kepler, is a mathematical conjecture about sphere packing in three-dimensional Euclidean space.
