Stephane Groueff: [Enrico] Fermi had the characteristics of a real genius.
Colonel Franklin Matthias: Almost every time you would get in contact with him, something would come up that was impressive. Physically, he was a small man, unimpressive person, but he grew real large when he started talking about things he knew.
Groueff: Was he a friendly person?
Matthias: Yes, warm; very warm, very friendly, a real nice person.