John Archibald Calhoun (1918–2000)

Career Foreign Service Officer
State of Residence: California

1. Ambassador Extraordinary and Plenipotentiary (Chad)
   Appointed: April 27, 1961
   Presentation of Credentials: May 28, 1961
   Termination of Mission: Left post on April 1, 1963
2. Ambassador Extraordinary and Plenipotentiary (Tunisia)
   Appointed: July 8, 1969
   Presentation of Credentials: July 24, 1969
   Termination of Mission: Left post on May 31, 1972