Whose Birthday Is It? March 21, 2019

Joseph Fourier (1768)

Fourier was a French mathematician and Egyptologist. As an engineer on the Egyptian expedition led by Napoleon—who later made him a baron—he conducted anthropological investigations and wrote the preface to the monumental Description de l’Égypte, whose publication he oversaw. In mathematics, he is primarily known for his work in heat conduction, for his use of the Fourier series to solve differential equations, and for the related concept of the Fourier transform, which is what? More…


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