Paul Samuelson

Paul Samuelson was among the most influential economists in modern history.

After Keynes and Friedman, at the moment I can't think of any economist with more sweeping and enduring influence.  In some ways his contributions were deeper than Keynes and Friedman. He developed the modern structure of economics--not just how we think the economy works, but how think about how the economy works, particularly the way economists use mathematics.

He will be sorely missed.

UpdateKrugman's tribute 

Another update: Krugman summarizes some of Samuelson's biggest contributions.  I did not know Samuelson was the source of some of these.  Amazing...

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