Robert Charles Hill (1917–1978)

Non-career appointee
State of Residence: New Hampshire
  1. Ambassador Extraordinary and Plenipotentiary (Costa Rica)
    Appointed: October 23, 1953
    Presentation of Credentials: November 4, 1953
    Termination of Mission: Left post on September 10, 1954
    • Commissioned during a recess of the Senate; recommissioned on January 26, 1954, after confirmation.
  2. Ambassador Extraordinary and Plenipotentiary (El Salvador)
    Appointed: September 25, 1954
    Presentation of Credentials: November 4, 1954
    Termination of Mission: Left post on September 21, 1955
    • Commissioned during a recess of the Senate; recommissioned on December 3, 1954, after confirmation.
  3. Assistant Secretary of State for Legislative Affairs
    Appointed: March 7, 1956
    Entry on Duty: March 9, 1956
    Termination of Appointment: June 26, 1957
  4. Ambassador Extraordinary and Plenipotentiary (Mexico)
    Appointed: May 20, 1957
    Presentation of Credentials: July 25, 1957
    Termination of Mission: Left Mexico December 1, 1960
  5. Ambassador Extraordinary and Plenipotentiary (Spain)
    Appointed: May 1, 1969
    Presentation of Credentials: June 12, 1969
    Termination of Mission: Left post on January 12, 1972
  6. Ambassador Extraordinary and Plenipotentiary (Argentina)
    Appointed: December 19, 1973
    Presentation of Credentials: February 15, 1974
    Termination of Mission: Left post on May 10, 1977