Leonard Seidman Unger (1917-)

Foreign Service officer
State of Residence: Maryland

1. Ambassador Extraordinary and Plenipotentiary (Laos)
   Appointed: July 3, 1962
   Presentation of Credentials: July 25, 1962
   Termination of Mission: Left post December 1, 1964
2. Ambassador Extraordinary and Plenipotentiary (Thailand)
   Appointed: August 11, 1967
   Presentation of Credentials: October 4, 1967
   Termination of Mission: Left post November 19, 1973
3. Ambassador Extraordinary and Plenipotentiary (China)
   Appointed: March 14, 1974
   Presentation of Credentials: May 25, 1974
   Termination of Mission: Left post January 19, 1979
   • commissioned to the Republic of China; resident at Taipei. The United States established diplomatic relations with the People’s Republic of China, and terminated them with the Republic of China, on Jan 1, 1979. Embassy Taipei closed Feb 28, 1979.