The Complete Biography of Aaron Burr, Third Vice President of the United States Aaron Burr Jr. remains one of the most misunderstood figures in American history, remembered almost exclusively as the man who killed Alexander Hamilton, while his extraordinary contributions to the republic he helped build have been systematically buried beneath two centuries of settled narrative. This comprehensive biography reconstructs the full dimensions of a remarkable life: the orphaned grandson of Jonathan Edwards who graduated Princeton summa cum laude at sixteen, survived the Quebec Expedition, presided over the United States Senate with constitutional distinction, and invented the organisational machinery of modern democratic politics. Burr transformed Tammany Hall into the first urban political machine, broke the Federalist monopoly on credit through the Manhattan Company, pioneered mass voter mobilisation, championed women's suffrage generations before Seneca Falls, and preserved the independence of the federal judiciary through his management of the Chase impeachment trial. He was also a man of genuine failure, a duelist who killed his greatest rival, a western conspirator whose ambitions exceeded his judgment, and a slaveholder who never fully reconciled his principles with his practice. Drawing on the full range of the available biographical record, this biography argues that Aaron Burr deserves recognition as the founding era's most modern democratic innovator, and its most honestly complicated figure.