Thorstein Veblen (1857-1929) was perhaps the most famous American economist and social critic of his time. He taught at the universities of Chicago and Missouri, Stanford University, and the New School for Social Research. His many books include The Theory of Business Enterprise, The Higher Learning in America, and The Theory of the Leisure Class, all available from Transaction.
Daniel Bell (1919-2011) was professor emeritus of sociology at Harvard University and is best known for his work and contributions to post-industrialism. He had been editor of the publications The New Leader, Fortune, and The Public Interest. He is the author of The End of Ideology, The Winding Passage: Sociological Essays and Journeys, and The Social Sciences since the Second World War.