US GOVERNMENT OFFICE

Second-in-command to the US Secretary of State. This position was superceded by US Deputy Secretary of State in 1972.

01-Jul-1919	15-Jun-1920	Frank Lyon Polk
15-Jun-1920	07-Mar-1921	Norman H. Davis
08-Mar-1921	06-Mar-1922	Henry P. Fletcher
26-Apr-1922	11-Apr-1924	William Phillips
16-Apr-1924	30-Jun-1927	Joseph Grew
01-Jul-1927	30-Jun-1928	Robert E. Olds
31-Aug-1928	19-Jun-1929	J. Reuben Clark, Jr.
20-Jun-1929	10-Mar-1931	Joseph P. Cotton
02-Apr-1931	05-Mar-1933	William R. Castle, Jr.
06-Mar-1933	23-Aug-1936	William Phillips
21-May-1937	30-Sep-1943	Sumner Welles
04-Oct-1943	30-Nov-1944	Edward Stettinius, Jr.
20-Dec-1944	15-Aug-1945	Joseph Grew
16-Aug-1945	30-Jun-1947	Dean Acheson
01-Jul-1947	20-Jan-1949	Robert A. Lovett
28-Jan-1949	29-Feb-1952	James E. Webb
01-Apr-1952	20-Jan-1953	David K. E. Bruce
09-Feb-1953	01-Oct-1954	Walter Bedell Smith
04-Oct-1954	05-Feb-1957	Herbert Hoover, Jr.
21-Feb-1957	22-Apr-1959	Christian Herter
12-Jun-1959	04-Jan-1961	C. Douglas Dillon
25-Jan-1961	03-Dec-1961	Chester Bowles
04-Dec-1961	30-Sep-1966	George W. Ball
03-Oct-1966	20-Jan-1969	Nicholas Katzenbach
23-Jan-1969	23-Jun-1970	Elliot Richardson
21-Sep-1970	12-Jul-1972	John N. Irwin II	Continued as US Deputy Secretary of State

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