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.
To make deadly Nuclear bomb
YES
Explosiosives.
Plutonium + Weapons = Nuclear Bomb
2 months 8 days
Go and find out your self.
No, USA did.
No. By the time the US dropped the atomic bomb on Japan, Germany had already surrendered. While Germany did have a nuclear weapons program during the war, it did not actually get to the point that they were capable of building a working bomb.
If you are a smart guy, you can make a nuclear bomb, or a nuclear reactor...