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I think the type of influence is mainly addressed is that on 
non-economists (or at least non-specialists) circles, namely on the 
policy arena. It would be also valuable to discuss who were the most 
influential within the core and specialised economic circles. 
 
As far as the public policy is concerned the three names that came 
directly to my mind are those of Paul Samuelson, John Kenneth Galbraith 
and Milton Friedman. Besides their major contribution to the economic 
debate, especially in the second half of this century, they are quite 
representative of the diversity within economics. Moreover, they were 
able to cross the boundaries of economics audiences, participating 
regularly in generalist newspapers, magazines or Tv programs. This part 
made them the faces of certain types of economics. 
 
I hope this discussion will go on! 
 
Pedro Teixeira 
Faculty of Economics of Porto - Portugal 
 
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