Joseph_Schumpeter Léon_Walras

http://en.wikipedia.org/wiki/Joseph_Schumpeter
http://en.wikipedia.org/wiki/Léon_Walras
http://en.wikipedia.org/wiki/Anne_Robert_Jacques_Turgot,_Baron_de_Laune
http://en.wikipedia.org/wiki/Entrepreneur
http://en.wikipedia.org/wiki/Classical_liberal