Irène Joliot-Curie

Science and espionage were conflated in people's minds, and it seemed like common sense to be suspicious of scientists who could also be spies.

As late as 1961, Irene Joliot-Curie's daughter was denied an American visa to attend a conference on nuclear physics in Tennessee.

Literally the daughter of a woman whose scientific discoveries propelled the U.S. forward into atomic technology.

was mistrusted as a potential spy.