Serving as a director for a railway company, he opposed the "transformist" doctrines of his country's ruling class.
In his most famous work, this thinker distinguished between R type people and S type people, the former of which are more risk-averse than the latter.  This man believed that people are fundamentally irrational, and in that major work he also differentiated between compulsive feelings, or resides, and rationalizations of those feelings, or derivations. Serving as a director for a railway company, he opposed the "transformist" doctrines of his country's ruling class. Along with such chums as De Johannis and Martello, he joined the Adam Smith Society. In his first work he advocated a law of income distribution, while in later works he proposed the concept of "indifference curves" and analyzed "ophelimity," or economic satisfaction. Known for his theory of "the circulation of the elites", his later views were co-opted by fascism.  FTP, name this student of Leon Walras, the author of Course in Political Economy and Mind and Society who is known in free market circles for his namesake "optimality."
In his most famous work, this thinker distinguished between R type people and S type people, the former of which are more risk-averse than the latter.  
Vilfredo Pareto