David Montgomery, the leading labor historian in the United States, died on December 2, 2011, at age eighty-four. His many articles and books, especially Beyond Equality: Labor and the Radical Republicans, 1862–1872; Workers' Control in America: Studies in the History of Work, Technology, and Labor Struggles; and The Fall of the House of Labor: The Workplace, the State, and American Labor Activism, 1865–1925, profoundly reshaped our understanding of the history of American workers.