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George Washington (1789-1797)
John Adams (1797-1801)
Thomas Jefferson (1801-1809)
James Madison (1809-1817)
James Monroe (1817-1825)
John Quincy Adams (1825-1829)
Andrew Jackson (1829-1837)
Martin Van Buren (1837-1841)
William Henry Harrison (1841)
John Tyler (1841-1845)
James K. Polk (1845-1849)
Zachary Taylor (1849-1850)
Millard Fillmore (1850-1853)
Franklin Pierce (1853-1857)
James Buchanan (1857-1861)
Abraham Lincoln (1861-1865)
Andrew Johnson (1865-1869)
Ulysses S. Grant (1869-1877)
Rutherford B. Hayes (1877-1881)
James A. Garfield (1881)
Chester Arthur (1881-1885)
Grover Cleveland (1885-1889)
Benjamin Harrison (1889-1893)
Grover Cleveland (1893-1897)
William McKinley (1897-1901)
Theodore Roosevelt (1901-1909)
William Howard Taft (1909-1913)
Woodrow Wilson (1913-1921)
Warren G. Harding (1921-1923)
Calvin Coolidge (1923-1929)
Herbert Hoover (1929-1933)
Franklin D. Roosevelt (1933-1945)
Harry S Truman (1945-1953)
Dwight D. Eisenhower (1953-1961)
John F. Kennedy (1961-1963)
Lyndon B. Johnson (1963-1969)
Richard Nixon (1969-1974)
Gerald Ford (1974-1977)
Jimmy Carter (1977-1981)
Ronald Reagan (1981-1989)
George Bush (1989-1993)
Bill Clinton (1993-2001)
George W. Bush (2001-2009)
Barack Obama (2009-present)