Oppenheimer then reorganized the laboratory and orchestrated an all-out and ultimately successful effort on an alternative design proposed by John von Neumann, an implosion-type nuclear weapon, which was called Fat Man.
Oppenheimer reorganizou entón o laboratorio e dirixiu un esforzo de traballo dirixido completamente a un deseño alternativo proposto por John von Neumann, unha arma nuclear de implosión denominada Fat Man.