He spoke in the late 1960’s of the theory of the future: THE ONLY ASPECT OF WHICH WE CAN BE SURE, IS THAT IT WILL BE BASED ON SOUND AND BEAUTIFUL MATHEMATICS. Remember him as one of the mathematic architects of our quantum theory, written pretty much by 1930 !!! Startling to hear his words. ALL OF OUR GREAT FIGURES WENT ON FROM SUCCESS, to look further, knowing we are never finished.