Edwin Mansfield (1930–1997) was a professor of economics at University of Pennsylvania from 1964 and until his death. From 1985 he was also a director of the Center for Economics and Technology.Edwin Mansfield is best known for his scientific results concerning technological change / diffusion of innovations, and also for his textbooks on microeconomics, managerial economics, and econometrics that were published in millions copies and translated into foreign languages.