Theodore Lowi is an American political scientist known for his contributions to the study of public policy and political theory. He is particularly recognized for his work on the concept of "interest groups" and their influence on the political process. Lowi's influential book, The End of Liberalism, critiques traditional liberalism and argues for a more nuanced understanding of American politics. Lowi has also been a professor at Cornell University, where he has taught courses on political science and public policy. His research emphasizes the importance of understanding the relationship between government and various interest groups, shaping how scholars and policymakers view political dynamics in the United States.