Louis Filler (1911-1998) was a Fulbright fellow at the University of Bristol and taught as a visiting professor in literature and history departments from the City University of New York to the University of California, San Francisco. His books include the classic Muckrakers, best-selling Crusade Against Slavery, Dictionary of American Social Reform, Unknown, Edwin Markham, Dictionary of American Conservatism, Vanguards and Followers, Distinguished Shades: Americans Whose Lives Live On,and Abolition and Social Justice in the Era of Reform, among many others, as well as biographies of Randolph Bourne and David Graham Phillips. Charles A. Beard (1874-1948) is regarded as one of the most influential American historians in the first half of the twentieth century. He is famous for his evaluation of the founding fathers of the United States, who he believed were motivated by economics as opposed to philosophical principles. Some of his works include An Economic Interpretation of the Constitution of the United States, Economic Origins of Jeffersonian Democracy, and The Administration and Politics of Tokyo.
