Letter written by US President Franklin D. Roosevelt (1882-1945) to the Director of the US Office of Scientific Research and Development Vannevar Bush (1890-1974) regarding progress of the Manhattan Project. The Manhattan Project was the American project to design and build the world's first atomic bomb during World War II. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NARA |
Taille de l’image : | 3744 px × 4675 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |