I want to know the answer to the following question:
Feynman borrowed a car from Klaus Fuchs, who was later found to be a what?
All the background I'm provided with is that "On several occasions, Feynman drove to Albuquerque to see his ailing wife in a car borrowed from Klaus Fuchs, who was later discovered to be a real spy for the Soviets, transporting nuclear secrets in his car to Santa Fe.". Is that enough to answer the question?
Answer: yes