Name Portrait Home state Presented credentials Terminated William J. Calhoun Illinois April 21, 1910 February 26, 1913[note 2] Paul Samuel Reinsch Wisconsin November 15, 1913 September 15, 1919 Charles Richard Crane Illinois June 12, 1920 July 2, 1921 Jacob Gould Schurman New York September 12, 1921 April 15, 1925 John Van Antwerp MacMurray New Jersey July 15, 1925 November 22, 1929[note 3] Nelson T. Johnson Oklahoma February 1, 1930 September 17, 1935 George Marshall Virginia December 20, 1945 January 1947