World War II Book: Bomb Crossword

Leader of Nazi Germany; dictator.
When a uranium atom is split in two by a neutron.
One of the two places bombed in Japan during WWII, using the atomic bomb, killed about 146,000 people
Physicist during World War II; helped build the atomic bomb.
Spy for the Soviets during WWII.
Created during World War II; weapon of mass destruction.
The person who discovered fission.
One of the two places that were bombed in Japan during WWII, using the atomic bomb, about 80,000 people were killed
World famous scientist; told Roosevelt about the atomic bomb
Common in America during WWII; these people would information on the atomic bomb for the Soviets; Harry Gold was one of these.
President during WWII; died of polio
Code name for the building of the atomic bomb.
U.S. naval base; bombed during WWII by Japan, which sent the U.S. to war, over 1,000 casualties.
A group of military leaders and scientist, whose goal was to figure out how an atomic bomb would work
President after Roosevelt's death; made the call to bomb Japan
Leader of Russia; dictator
Prime Minister of Britain during World War II
"Heavy water" plant in Norway; controlled by Germans; essential to building the atomic bomb
Soviet intelligence agency
Race to build the atomic bomb
When all these events take place