#sketchbook July 2019. I am neither mathematician nor physicist, but because of my interest in #chaostheory years ago I became at least casually familiar with the research of Mitchell j #Feigenbaum. He also did some gnarly research using fractal geometry in cartography, and eventually leveraged his math skills to found a company for financial instruments. He passed away last week and leaves a pretty impressive legacy. . . . #art #portrait #drawing #doodle #prismaapp🎨

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