It was code named Manhattan Project.
The atomic bomb is an artefact, and so an invention. Maybe you meant to ask who invented the atomic bomb ?
he did not build the atomic bomb
The atomic bomb at Trinity was an implosion design plutonium device or bomb.
To convince FDR to support building an atomic bomb before Germany did so.
No.
The Manhattan project
If you consider the US atomic bomb is a Christian bomb, the French atomic bomb is also Christian bomb and so on, then you can name the Pakistani atomic bomb an Islamic bomb.
The scientist given the most credit for the building of the atomic bomb is Robert Oppenheimer.
Robert Oppenheimer
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.
It was the Atomic bomb.
"fat man" was the name of the atomic bomb dropped on Nagaski. "little boy" was dropped in Hiroshima.
Oppenheimer......................
The Manhattan Project
Building the first atomic bomb.
Albert? seriously! your on a first name basis with the undisputed greatest mind of our time? Well anyways, Einstein didn't discover the atomic bomb. You can't discover a bomb. The bomb was created by J. Robert Oppenheimer. As for how, you have to be more specific, how did he come up with it? How did he plan out the building? Your question tells nothing.
It was a hydrogen bomb - Jughead.