Lily Geismer is a professor of history at Claremont McKenna College. Her research and teaching focuses on 20th-century political and urban history in the United States, especially liberalism and the Democratic Party. She is the author of Left Behind: The Democrats’ Failed Attempt to Solve Inequality and Don’t Blame US: Suburban Liberals and the Transformation of the Democratic Party (Princeton University Press, 2015) and the coeditor of Shaped by the State: Toward a New Political History of the Twentieth Century. Her work has also appeared in outlets such as the New York Times, the Washington Post, the Nation, the New Republic, Dissent, Jacobin, Slate, and the Journal of American History. In 2018, she was named an Andrew Carnegie Fellow by the Carnegie Corporation. She is a native of Boston and currently lives in Los Angeles.