About which president did John F. Kennedy tell a gathering of 49 Nobel Prize winners that ""this is the most extraordinary collection of talent and of human knowledge that has ever been gathered together at the White House -- with the possible exception of when [this president] dined alone.""
He referred him as a gentle man of 32 who could calculate an eclipse, survey estates, tie and artery, plan and edifice, try a cause, break a horse and dance the minuet.