| March 3, 1859 11 Stat. 437 |
March 2, 1909 35 Stat. 686 |
August 3, 1949 63 Stat. 493 |
October 20, 1978 92 Stat. 1629 |
October 20, 1978 92 Stat. 1629 |
December 1, 1990 104 Stat. 5089 |
| Deady, Matthew P. 1859-1893 |
Bean, Robert S. 1909-1931 |
Solomon, Gus J. 1949-1971 |
Redden, James A. 1980-1995 |
Frye, Helen J. 1980-1995 |
Hogan, Michael R. 1991-2011 |
| Bellinger, Charles B. 1893-1905 |
Fee, James A. 1931-1954 |
Burns, James M. 1972-1989 |
Aiken, Ann L. 1998-2023 |
King, Garr M. 1998-2009 |
McShane, Michael J. 2013- |
| Wolverton, Charles E. 1905-1926 |
East, William G. 1955-1967 |
Jones, Robert E. 1990-2000 |
Hernandez, Marco A. 2011- |
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| McNary, John H. 1927-1936 |
Belloni, Robert C. 1967-1984 |
Mosman, Michael W. 2003-2021 |
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| McColloch, Claude C. 1937-1958 |
Leavy, Edward 1984-1987 |
Nelson, Adrienne C. 2023- |
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| Kilkenny, John F. 1959-1969 |
Marsh, Malcolm F. 1987-1998 |
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| Goodwin, Alfred T. 1969-1971 |
Brown, Anna J. 1999-2017 |
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| Skopil, Otto R., Jr. 1972-1979 |
Immergut, Karin J. 2019- |
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| Panner, Owen M. 1980-1992 |
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| Haggerty, Ancer L. 1994-2009 |
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| Simon, Michael H. 2011- |