Paul Spickard is Professor of History and Asian American Studies at the University of California, Santa Barbara. He is author of Mixed Blood: Intermarriage and Ethnic Identity in Twentieth-Century America (1989), Pacific Diaspora: Island Peoples in the United States and across the Pacific (2002), Racial Thinking in the United States (2004), Race and Nation: Ethnic Systems in the Modern World (2005), and Almost All Aliens: Immigration, Race, and Colonialism in American History and Identity (2007).