Elliot Lee Richardson (1920–1999)

Non-career appointee
State of Residence: Massachusetts
  1. Under Secretary of State
    Appointed: January 23, 1969
    Entry on Duty: January 23, 1969
    Termination of Appointment: June 23, 1970
  2. Ambassador Extraordinary and Plenipotentiary (United Kingdom)
    Appointed: February 20, 1975
    Presentation of Credentials: March 21, 1975
    Termination of Mission: Left post on January 16, 1976
  3. Ambassador at Large
    Appointed: February 25, 1977
    Entry on Duty: March 1, 1977
    Termination of Appointment: October 4, 1980
    • Commissioned as Ambassador at Large and Special Representative of the President at the Law of the Sea Conference, and Chief of Delegation.