Facts on American pacifists
Albert Einstein
Was a German-born theoretical physicist who developed the general theory of relativity.
10 facts about Albert EinsteinLinus Pauling
Was an American chemist, bio-chemist, author, educator and peace-activist.
10 facts about Linus PaulingCarl Sagan
Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer and science communicator in astronomy and natural sciences
10 facts about Carl Sagan