Others cover more serious material, including his work on the Manhattan Project (during which his first wife Arline Greenbaum died of tuberculosis) and his critique of the science education system in Brazil.
Andra täcker allvarligare material, inklusive hans arbete på Manhattanprojektet (då hans första fru Arline Greenbaum dog av tuberkulos) och hans kritik av utbildningssystemet i vetenskap i Brasilien.