Robert Ferdinand Wagner Jr. (1910–1991)

Non-career appointee
State of Residence: New York
  1. Ambassador Extraordinary and Plenipotentiary (Spain)
    Appointed: June 24, 1968
    Presentation of Credentials: July 4, 1968
    Termination of Mission: Left post on March 7, 1969
  2. Personal Representative of the President (Holy See)
    Presentation of Credentials: November 28, 1978
    Termination of Mission: January 16, 1981