Benoît B. Mandelbrot
Benoit B. Mandelbrot was a Polish-born French-American mathematician and polymath with broad interests in the practical sciences, especially regarding what he labeled as "the art of roughness" of physical phenomena and "the uncontrolled element in life".
Clouds Are Not Spheres
Fractals: The Colors of Infinity
The Genius and the Boys
Fractals: An Animated Discussion