Benoit Mandelbrot's autobiography traces his journey from a Polish Jewish family in Warsaw through wartime survival in France to the creation of fractal geometry at IBM. Mandelbrot's family fled to Paris when he was eleven; during the German occupation, he hid in the countryside, attending school sporadically and developing the visual, geometric thinking that would characterize his mathematics. After the war, he studied at elite French institutions but resisted the abstract style that dominated French mathematics, seeking instead mathematics connected to the world's rough edges. At IBM, with freedom from academic pressure to produce conventional results, Mandelbrot studied cotton prices, coastline measurements, and galaxy distributions, finding in each case that standard statistical tools failed because the phenomena exhibited self-similarity at different scales. He coined the term 'fractal' for these shapes and developed the mathematics to describe them, revealing hidden patterns in nature that Euclidean geometry could not capture. Mandelbrot writes with pride in his unconventional path and frustration at the recognition he felt came too slowly. The autobiography illuminates how interdisciplinary wandering can produce revolutionary insight, and how institutions both enable and obstruct scientific creativity. Mandelbrot died in 2010; this final work traces the life behind the fractals.