James Buchanan Jr. was the 15th president of the United States, serving from 1857 to 1861. A northern Democrat, he sought to resolve the sectional crisis through a pro-slavery interpretation of the U.
Daguerreotype of Buchanan, c. 1850–1868
In the 1920s, sculptor Gutzon Borglum and President Calvin Coolidge selected (from left to right) George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln to appear on Mount Rushmore. It later became an iconic symbol of presidential greatness, chosen to represent the nation's birth, growth, development, and preservation, respectively.