Despite its founder's pacifist and anti-semitic sentiments, the Ford Motor Company was pressed into producing engines for fighter planes and anti-submarine boats once the US entered the war in 1917.
After the Americans devastated two Japanese cities with nuclear explosives, Albert Einstein returned to his normally pacifist views, speaking out against weapons of mass destruction and war in general.
But the press – then, as now, largely owned by wealthy supporters of the Conservative party – portrayed it as deliberate disrespect for the nation's war dead from the pacifist Foot.
This ran enormously against Einstein's own pacifist inclinations, though the possibility of the Nazis acquiring such a weapon before the US had forced him into warning the government of the dangers of this occurring.