In this brief note describes the trajectory of the fractal models/multifractal F/M by Benoit Mandelbrot. The promise was discovered by the geometry of Mandelbrot covers a broad area of research fields, from meteorology and mathematical physics to the individual and collective behavior in society, besides his contributions to the analysis of the financial crisis in his wonderful essay on «The (mis) Behavior of Markets. A fractal view of Risk, Ruin and Reward» (2004). Mandelbrot’s arguments have revealed significant anomalies in the prevailing paradigms. Is this a new paradigm in Kuhn’s sense as stated by the same Mandelbrot?
