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