Einstein did not make the atomic bomb, so it was neither good nor bad.
Einstein did not invent the atomic bomb, Leo Szilard did.
Albert Einstein
No, Albert Einstein did not built an atomic bomb to end World War I
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Albert Einstein
I believe it is Albert Einstein.
No he was the creator of the atomic bomb.
Creation of the atomic bomb
Yes, Albert Einstein signed a letter to President Franklin D. Roosevelt in 1939 warning about the potential of atomic weapons. While he did not conduct the research himself, he was aware of the theoretical calculations and implications of nuclear fission that could lead to the development of an atomic bomb.
Franklin Delano Roosevelt
Albert Einstein
No, Albert Einstein did not develop the atomic bomb, which was developed by a team of researchers led by J. Robert Oppenheimer. Einstein's theoretical work does provide the basis upon which the bomb was developed.