Who was John McLean? John McLean was a significant figure in American history, known for his roles in law and politics. Born on March 11, 1785, in Morris County, New Jersey, McLean’s career spanned various important positions, including U.S. Supreme Court Justice, Ohio Supreme Court Justice, and Postmaster General. His legal opinions, particularly his dissent in the Dred Scott v. Sandford case, showcased his anti-slavery stance and influenced future constitutional amendments. McLean’s dedication to public service and justice left a lasting impact on the American legal system. Dive into these 30 fascinating facts to learn more about his life and legacy.