Citations needed for the assertion that he did not contribute much to the Manhattan Project beyond management and that he associated with communists, as well as about the relativity stuff.--[[User:John|John]] 13:22, 5 March 2007 (EST) | Citations needed for the assertion that he did not contribute much to the Manhattan Project beyond management and that he associated with communists, as well as about the relativity stuff.--[[User:John|John]] 13:22, 5 March 2007 (EST) |