if by bomb you mean atomic bomb, it was truman.
otherwise bombs predate the existence of the US.
US President Harry S. Truman .
wodrow Wilson was the president that agreed to drop the atomic bomb on Japan
wodrow Wilson was the president that agreed to drop the atomic bomb on japan
Truman
The first bomb exploded, the Trinity test bomb, used plutonium. The first bomb deployed, dropped on Hiroshima, used uranium 235. The second bomb deployed, dropped on Nagasaki, used plutonium 239.
Franklin Roosevelt- but he died before the atomic bomb was used. Harry Truman was the next president, and ordered the use of the atomic bomb.
Truman
President Truman
A- bomb stands for Atomic Bomb, first tested and used in WWII.
The year in which the first bouncing bomb was used was in 1943. The inventor of the bouncing bomb was the British engineer Barnes Wallis.
Harry S Truman
Harry S. Truman.