“Clouds are not spheres, mountains are not cones, coastlines are not circles, and bark is not smooth, nor does lightning travel in a straight line.”

—  Benoît Mandelbrot , book The Fractal Geometry of Nature

The Fractal Geometry of Nature (1982), p. 1

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Benoît Mandelbrot photo
Benoît Mandelbrot 56
Polish-born, French and American mathematician 1924–2010

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