One was the discovery of Plutonium.
Atomic Weapons.
the creation of atomic weapon !
Atomic Bomb
he invented biology
The atomic weapon.
the atomic bomb and the nuclear reactor
FDR
She was asked to help create the first atomic bomb but declined. But she is the mother of the atomic bomb because her discoveries created it.
atomic bomb 4 a+
The Manhattan Project developed the atomic bomb during World War II. The project's main discoveries included the successful creation and utilization of nuclear fission to produce a weapon of immense destructive power.
Mendeleev predicted that properties of elements are periodic function of atomic mass. He demonstrated it by creating a table.
I suggest reading Richard Rhodes book: The Making of the Atomic Bomb.