When he joined the Manhattan Project in 1942, Oppenheimer wrote on his personal security questionnaire that he had been "a member of just about every Communist Front organization on the West Coast".
Cando se uniu ó Proxecto Manhattan en 1942 Oppenheimer escribiu no seu cuestionario persoal de seguridade que el mesmo fora "membro de case todas as organizacións da Fronte Comunista na Costa Oeste".