Benoit Mandelbrot https://www.theguardian.com/science/2010/oct/17/benoit-mandelbrot-obituaryThese images are all based on the "simple" iterated function below! C is a constant in the complex plane. z -> z^2 + C The images below are the results of several computer programs in several different languages.
mandel.tc
fractals_no_oo_v3.py