Abrianna
JF-Expert Member
- Mar 30, 2021
- 4,696
- 15,390
George Koval was a Russian spy who managed to infiltrate the Manhattan project during WWII and steal America’s nuclear secrets. He single-handedly provided critical technology for Russia’s nuclear arsenal and accelerated their atomic program by at least four years, if not more. It wasn’t discovered he was a spy until 2002, which means he was a pretty good spy.