von Braun, Wernher. (1912–1977) Typed Letter SignedTLS from the famous aerospace engineer to Professor Irma Antonetto of the Associazione Culturale Italiana, responding to an invitation to speak. June 16, 1972; 1 pp., on A4 National Aeronautics and Space Administration stationary. In part, "Since I have recently resigned from the National Aeronautics and Space Administration to accept a position in the aerospace industry, I am unable to assume any additional commitments at the present time." Two holes