Sidney G. Winter

Sidney Graham Winter (born 1935, in Iowa City, Iowa) is a US economist and Professor Emeritus of Management at the Wharton School, University of Pennsylvania, USA. He is recognized as one of the leading figures in the revival of evolutionary economics.
In 1982, he co-published with Richard R. Nelson "An Evolutionary Theory of Economic Change", a book which has since been cited nearly 25,000 times. Winter was Chief Economist of the US General Accounting Office (1989-1993). He won the Viipuri Prize for Strategic Management in 2008.