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Seki Takakazu: Quick Facts

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Facts

Also Known As Seki Kōwa
Born c.1640 • Japan
Died October 24, 1708 • Tokyo • Japan
Subjects Of Study calculus • determinant
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Takebe Katahiro
Japanese mathematician
Isaac Newton
Isaac Newton
English physicist and mathematician
Engraved portrait of Swiss mathematician and physicist Leonhard Euler in profile, wearing a dark coat and ruffled white shirt, from the 1740s.
Leonhard Euler
Swiss mathematician
John Wallis, oil painting after a portrait by Sir Godfrey Kneller; in the National Portrait Gallery, London
John Wallis
English mathematician
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Augustin-Louis Cauchy
French mathematician
Johann Bernoulli, oil painting by Johann Jakob Meyer, 1720; in a private collection
Johann Bernoulli
Swiss mathematician
Colin Maclaurin, engraving by S. Freeman; in the British Museum.
Colin Maclaurin
Scottish mathematician
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Liu Hui
Chinese mathematician
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Li Ye
Chinese mathematician
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Minggantu
Chinese astronomer and mathematician
Brook Taylor, detail of a gouache miniature by Joseph Goupy; in the National Portrait Gallery, London.
Brook Taylor
British mathematician
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Mei Wending
Chinese writer
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Zhu Shijie
Chinese mathematician
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Vito Volterra
Italian mathematician
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Li Shanlan
Chinese mathematician
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Qin Jiushao
Chinese mathematician
Carathéodory, Constantin
Constantin Carathéodory
Greek-German mathematician
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Zhao Youqin
Chinese astronomer, mathematician, and Daoist
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Li Rui
Chinese mathematician and astronomer
Koch snowflakeSwedish mathematician Niels von Koch published the fractal that bears his name in 1906. It begins with an equilateral triangle; three new equilateral triangles are constructed on each of its sides using the middle thirds as the bases, which are then removed to form a six-pointed star. This is continued in an infinite iterative process, so that the resulting curve has infinite length. The Koch snowflake is noteworthy in that it is continuous but nowhere differentiable; that is, at no point on the curve does there exist a tangent line.
Niels Fabian Helge von Koch
Swedish mathematician

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