| Served Under | Secretary |
|---|
| George Washington | |
| George Washington | |
| George Washington | |
| John Adams | |
| John Adams | |
| Thomas Jefferson | |
| James Madison | |
| James Madison | |
| James Monroe | |
| John Quincy Adams | |
| Andrew Jackson | |
| Andrew Jackson | |
| Andrew Jackson | |
| Andrew Jackson and Martin Van Buren | |
| William Henry Harrison and John Tyler | |
| John Tyler | |
| John Tyler | |
| James K. Polk | |
| Zachary Taylor and Millard Fillmore | |
| Millard Fillmore | |
| Millard Fillmore | |
| Franklin Pierce | |
| James Buchanan | |
| | Served Under | Secretary |
|---|
| James Buchanan | |
| Abraham Lincoln and Andrew Johnson | |
| Ulysses S. Grant | |
| Ulysses S. Grant | |
| Rutherford B. Hayes | |
| James Garfield and Chester A. Arthur | |
| Chester A. Arthur | |
| Grover Cleveland | |
| Benjamin Harrison | |
| Benjamin Harrison | |
| Grover Cleveland | |
| Grover Cleveland | |
| William McKinley | |
| William McKinley | |
| William McKinley and Theodore Roosevelt | |
| Theodore Roosevelt | |
| Theodore Roosevelt | |
| William Howard Taft | |
| Woodrow Wilson | |
| Woodrow Wilson | |
| Woodrow Wilson | |
| Warren G. Harding and Calvin Coolidge | |
| Calvin Coolidge and Herbert Hoover | |
| | Served Under | Secretary |
|---|
| Herbert Hoover | |
| Franklin D. Roosevelt | |
| Franklin D. Roosevelt and Harry S. Truman | |
| Harry S. Truman | |
| Harry S. Truman | |
| Harry S. Truman | |
| Dwight D. Eisenhower | |
| Dwight D. Eisenhower | |
| John F. Kennedy and Lyndon Johnson | |
| Richard Nixon | |
| Richard Nixon and Gerald Ford | |
| Jimmy Carter | |
| Jimmy Carter | |
| Ronald Reagan | |
| Ronald Reagan | |
| George H.W. Bush | |
| George H.W. Bush | |
| Bill Clinton | |
| Bill Clinton | |
| George W. Bush | |
| George W. Bush | |
| Barack Obama | |
|
U.S. Presidents 
Famous Wars 
Original 13 Colonies
