Frederick Valdemar Erastus Peterson (1903–1983)

Non-career appointee
State of Residence: Nebraska
  1. Ambassador Extraordinary and Plenipotentiary (Denmark)
    Appointed: June 26, 1957
    Presentation of Credentials: August 22, 1957
    Termination of Mission: Left post on February 21, 1961
  2. Ambassador Extraordinary and Plenipotentiary (Finland)
    Appointed: May 1, 1969
    Presentation of Credentials: July 14, 1969
    Termination of Mission: Left post on March 23, 1973