Samuel Miller Breckinridge Long (1881–1958)

Non-career appointee
State of Residence: Missouri
  1. Third Assistant Secretary of State
    Appointed: January 24, 1917
    Entry on Duty: January 29, 1917
    Termination of Appointment: June 8, 1920
  2. Ambassador Extraordinary and Plenipotentiary (Italy)
    Appointed: April 24, 1933
    Presentation of Credentials: May 31, 1933
    Termination of Mission: Left post on April 23, 1936
  3. Assistant Secretary of State
    Appointed: January 16, 1940
    Entry on Duty: January 23, 1940
    Termination of Appointment: December 15, 1944