No one man came up with the idea alone. However there is a letter written by Einstein to Roosevelt in the Bradbury Science Museum in Los Alamos, NM where Einstein introduces the idea to president Roosevelte.
Albert Einsten wrote him that Germany were working on the atomic bombs. The German scientists did all they could to take longer.
Leo Szilard
1st Atomic Bomb- (FAT MAN) Hiroshima 2nd Atomic Bomb- (LITTLE BOY) Nagasaki Actually, the first bomb dropped was Little Boy, and that was on Hiroshima. Fat Man, the second bomb, was dropped on Nagasaki.
Fat Man
The atomic bomb brought man into the atomic age and the cold war.
Plutonium 239
code name fat man
On August 9th 1945 the Fat Man atomic bomb was dropped on Nagasaki Japan.
The man who dropped the 1st atomic bomb said "BOMBS AWAY!"
1st Atomic Bomb- (FAT MAN) Hiroshima 2nd Atomic Bomb- (LITTLE BOY) Nagasaki Actually, the first bomb dropped was Little Boy, and that was on Hiroshima. Fat Man, the second bomb, was dropped on Nagasaki.
Fat Man
fat man
"fat man" was the name of the atomic bomb dropped on Nagaski. "little boy" was dropped in Hiroshima.
20 kilotons
President Truman.
Fat man.
Fat Man
Little boy was a uranium fission bomb and Fat man was a plutonium implosion type bomb. Both required the needed research. There is no record into was harder to produce.
The atomic bomb brought man into the atomic age and the cold war.