McLaughlin, Andrew Cunningham (məgläkˈlĭn) [key], 1861–1947, American educator and historian, b. Beardstown, Ill., grad. Univ. of Michigan (B.A., 1882; LL.B., 1885). He taught history at the Univ. of Michigan (1887–1906), becoming a full professor in 1891, and was professor of history at the Univ. of Chicago (1906–29), serving as head of the department from 1906 to 1927. After 1929 he was professor emeritus. From 1898 to 1914 he was an associate editor of the American Historical Review, acting as managing editor (1901–5). His reputation as an authority on constitutional history was acquired by writing such books as The Confederation and the Constitution, 1783–1789 (1905), The Courts, the Constitution, and Parties (1912), The Foundations of American Constitutionalism (1932), and A Constitutional History of the United States (1935), which won the 1936 Pulitzer Prize in history. He also wrote a biography of Lewis Cass (1891), A History of the American Nation (1899; rev. ed. 1913), America and Britain (1918), and Steps in the Development of American Democracy (1920). He was joint editor with Albert Bushnell Hart of the Cyclopedia of American Government (3 vol., 1914).