IMMIGRANTS from Germany helped make the A-Bomb.
To make a nuclear bomb, you need the fissionable material such as a Plutonium239 isotope, an explosive to start the nuclear chain reaction, a detonator, and a pusher.
Albert Einstein did not make the nuclear bomb. Oppenheimer did.
He didn't invent nuclear physics, he made QUANTUM physics, and recommended the construction of the atom bomb to make sure Germany couldn't make one.
To make deadly Nuclear bomb
YES
Explosiosives.
Plutonium + Weapons = Nuclear Bomb
2 months 8 days
No, USA did.
Big
Go and find out your self.