Keywords: Karl Gustav Adolf Knies.jpg replace Image Karl Gustav Adolf Knies png; jpg grayscale optimize Original source http //www econ duke edu/Economists/ This collection of portraits of economists was presented in 1997 as a gift to the Department of Economics of Duke University by Professor Warren J Samuels of Michigan State University Free use of these portraits in Web documents and for other educational purposes is encouraged users are requested to acknowledge that the images come from The Warren J Samuels Portrait Collection at Duke University Please direct all questions and inquiries to the collection's director Professor E Roy Weintraub at erw econ duke edu Public domain due to age Knies died in 1898 Originally uploaded by User Stern PD-old Karl Knies |