John Wallace Riddle (1864–1941)

States of Residence: Minnesota, Connecticut
  1. Agent/Consul General (Egypt)
    Appointed: September 8, 1903
    Presentation of Credentials: March 28, 1904
    Termination of Mission: Left post on June 9, 1905
    • Commissioned during a recess of the Senate; recommissioned on November 24, 1903, after confirmation.
  2. Concurrent Appointments
    1. Envoy Extraordinary and Minister Plenipotentiary (Romania)
      Appointed: March 8, 1905
      Presentation of Credentials: October 3, 1905
      Termination of Mission: Left post on January 23, 1907
      • Commissioned to Romania and Serbia; resident at Bucharest. Also accredited to Serbia; resident at Bucharest.
    2. Envoy Extraordinary and Minister Plenipotentiary (Serbia)
      Appointed: March 8, 1905
      Presentation of Credentials: May 7, 1906
      Termination of Mission: Left Bucharest January 23, 1907
      • Commissioned to Romania and Serbia; resident at Bucharest. Also accredited to Romania; resident at Bucharest.
  3. Ambassador Extraordinary and Plenipotentiary (Russia)
    Appointed: December 19, 1906
    Presentation of Credentials: February 8, 1907
    Termination of Mission: Left post on September 8, 1909
  4. Ambassador Extraordinary and Plenipotentiary (Argentina)
    Appointed: November 18, 1921
    Presentation of Credentials: March 8, 1922
    Termination of Mission: Left post on May 28, 1925