David Laibman (December 25, 1942-) is Professor Emeritus of Economics at Brooklyn College and the Graduate Center, City University-New York. He received a Ph.D. in Economics in 1973 at the Graduate Faculty of the New School for Social Research in New York. His dissertation, The Invariance Condition for Value-Price Transformation in a Linear, Non-Decomposable Two-Sector Model, dealt with problems in Marxist value theory. Laibman teaches economic theory, political economy, and mathematical economics, at the undergraduate, masters, and doctoral levels at CUNY. He is the author of Value, Technical Change and Crisis: Explorations in Marxist Economic Theory (1992), Capitalist Macrodynamics: A Systematic Introduction (1997), Deep History: A Study in Social Evolution and Human Potential (2007), Political Economy After Economics: Scientific Method and Radical Imagination (2012), and Passion and Patience: Society, History, and Revolutionary Vision (2015).