Daniel Immerwahr is an American historian and professor at Northwestern University, specializing in United States and global history. His acclaimed book "How to Hide an Empire: A History of the Greater United States" examines America's often-overlooked territorial empire, revealing how millions of people have lived under U.S. jurisdiction without full representation. The book won the Bancroft Prize and was a finalist for the National Book Award. Immerwahr's scholarship challenges conventional narratives about American power and imperialism, bringing fresh perspectives to understanding the nation's global footprint. His writing combines rigorous research with accessible prose, making complex historical arguments engaging for general readers.