Niven, John, 1945-
John Niven (William John Niven, Jr., 1921-1997), American historian, author of The coming of the Civil War, 1837-1861 (1990), biographies of Gideon Welles, Israel Putnam, John C. Calhoun, Salmon P. Chase, and other works. He received his M.A. (1947) and Ph.D. (1954) at Columbia University. In 1951-1960, he worked for General Dynamics Corporation. From 1965 to his death in 1997, he was associate professor, professor, and professor emeritus at Claremont Graduate School.
From the description of Correspondence between John Niven and Allan Nevins, 1948-1979. (Huntington Library, Art Collections & Botanical Gardens). WorldCat record id: 122383279