Immanuel Maurice Wallerstein is among top American sociologists. Immanuel Maurice Wallerstein is a historical social scientist, and world-systems analyst. He developed the general approach in sociology which led to the emergence of his World-System Theory. Wallerstein's thesis on McCarthyism as a phenomenon of American political culture, has been widely cited. Wallerstein's was not really concerned about American politics, but he was concerned about politics of the non-European world, especially those of India and Africa
Wallerstein's criticism of global capitalism and championship of "anti-systemic movements" have put him in the company of Noam Chomsky and Pierre Bourdieu. Wallerstein has argued that the 'world revolution' of 1968 marked the end of "liberalism" as a reaonable ideology in the modern world system.