1. George Washington (1789-1797): First President of the United States, known for his leadership during the American Revolution and for establishing important precedents for the office of the presidency.
2. Abraham Lincoln (1861-1865): President during the Civil War, responsible for the Emancipation Proclamation, and credited with preserving the Union and ending slavery.
3. Franklin D. Roosevelt (1933-1945): Led the United States during the Great Depression and World War II, implemented the New Deal programs, and helped establish the modern welfare state.
4. Theodore Roosevelt (1901-1909): Known for his progressive policies, conservation efforts, and international diplomacy, and credited with expanding the role of the presidency.
5. Thomas Jefferson (1801-1809): One of the Founding Fathers and author of the Declaration of Independence, known for his expansionist policies, support of democracy, and advocacy for individual liberties.
6. John F. Kennedy (1961-1963): President during the Cold War, known for his charisma, leadership during the Cuban Missile Crisis, and advocacy for civil rights.
7. Ronald Reagan (1981-1989): Known for his conservative policies, leadership during the Cold War, and economic policies that helped spur economic growth in the 1980s.
8. Lyndon B. Johnson (1963-1969): Responsible for passing significant civil rights legislation, expanding social welfare programs, and escalating the United States' involvement in the Vietnam War.