James Gregory (mathematician)
Scottish mathematician and astronomer / From Wikipedia, the free encyclopedia
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James Gregory FRS (November 1638 – October 1675) was a Scottish mathematician and astronomer. His surname is sometimes spelt as Gregorie, the original Scottish spelling. He described an early practical design for the reflecting telescope – the Gregorian telescope – and made advances in trigonometry, discovering infinite series representations for several trigonometric functions.
James Gregory | |
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Born | November 1638 (1638-11) Drumoak, Aberdeenshire, Scotland |
Died | October 1675(1675-10-00) (aged 36) Edinburgh, Scotland |
Nationality | Scottish |
Citizenship | Scotland |
Alma mater | Marischal College, University of Aberdeen University of Padua |
Known for | Gregorian telescope Gregory coefficients Diffraction grating Fundamental theorem of the calculus Integral of the secant function |
Scientific career | |
Fields | Mathematics Astronomy |
Institutions | University of St. Andrews University of Edinburgh |
Notes | |
In his book Geometriae Pars Universalis (1668)[1] Gregory gave both the first published statement and proof of the fundamental theorem of the calculus (stated from a geometric point of view, and only for a special class of the curves considered by later versions of the theorem), for which he was acknowledged by Isaac Barrow.[2][3][4][5][6][7][8]