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