2 August 1939 August 1, 2012 Author: Staff Albert Einstein and Leó Szilárd wrote a letter to Franklin D. Roosevelt, urging him to develop a nuclear weapon. Famous Words of Inspiration..."Who aims at excellence will be above mediocrity; who aims at mediocrity will be far short of it." Burmese Saying — Click here for more from Burmese Saying Related posts: 23 August 1939 26 March 1939 2 August 1989 13 March 1996 Categories: History Tags: 1939, 2 August