William O. Hall (1914–1977)

Career Foreign Service Officer
State of Residence: Oregon
  1. Ambassador Extraordinary and Plenipotentiary (Ethiopia)
    Appointed: September 13, 1967
    Presentation of Credentials: October 27, 1967
    Termination of Mission: Left post on May 15, 1971
  2. Director General of the Foreign Service
    Appointed: July 5, 1971
    Termination of Appointment: September 30, 1973