What did “the pursuit of happiness” mean to our nation’s founders and how did that famous phrase become the foundation of our democracy? The Declaration of Independence identifies “the pursuit of happiness” as one of our unalienable rights, along with life and liberty. In his new book, National Constitution Center President and CEO Jeffrey Rosen profiles six of the most influential founders—Benjamin Franklin, George Washington, John Adams, Thomas Jefferson, James Madison and Alexander Hamilton—to show what pursuing happiness meant in their lives.