An Essay On The Psychology Of Invention In The Mathematical Field Posted on 2019/10/18 by Carl Robitaille An Essay On The Psychology Of Invention In The Mathematical Field by Jacques Hadamard A little gem to read from Hadamard, "An Essay On The Psychology Of Invention In The Mathematical Field" https://t.co/1wxm65KHtz— Maths History (@mathshistory) October 18, 2019