# Mandelbrot, Benoit(1924 --) Mathematician, born in Warsaw, Poland. He studied at the Ecole Polytechnique, Paris, and at the California Institute of Technology, then became professor of mathematics at Geneva (1955--7) and the Ecole Polytechnique (1957--8). He joined IBM in 1958, and became professor of mathematics at Yale in 1987. A central figure in the development of fractals, his book *The Fractal Geometry of Nature* (1982) was important in demonstrating the potential application of fractals to natural phenomena. |