In 1943 and 1944 he unsuccessfully attempted to persuade the Office of Censorship to permit writing about the explosive potential of uranium, and government officials felt that he had earned the right to report on the biggest secret of the war.
En 1943 e 1944 tentara persuadir sen éxito á Oficina da Censura que lle permitisen escribir sobre o potencial explosivo do uranio, polo que os oficiais gobernamentais sentiron que gañara o dereito a informar sobre o maior segredo da guerra.