With Robert Solow he posited the "Non-Substitution" theorems, and wrote Linear Programming and Economic Analysis.
At this man's dissertation defense, Schumpeter asked Leontieff, "Well, have we passed?" Responsible for the modern theory of production, in his most famous work he described the envelope theorem and characterized the cost function. With Robert Solow he posited the "Non-Substitution" theorems, and wrote Linear Programming and Economic Analysis. He also discovered the Factor Price Equalization theorem in international trade, and was responsible for the theory of revealed preference. For 10 points, name this MIT economist who wrote Foundations of Economic Analysis, a neoclassical econ textbook.
At this man's dissertation defense, Schumpeter asked Leontieff, "Well, have we passed?
Paul Samuelson