During former President Donald Trump’s years in the White House, his aides began to refer to the boxes full of papers and odds and ends he carted around with him almost everywhere as the “beautiful mind” material.
It was a reference to the title of a book and movie depicting the life of John F. Nash Jr., the mathematician with schizophrenia played in the film by Russell Crowe, who covered his office with newspaper clippings, believing they held a Russian code he needed to crack.