Werner Sollors is Henry B. and Anne M. Cabot Professor of English and of African American Literature at Harvard University. He is the author of several volumes on race and ethnicity including Beyond Ethnicity: Consent and Descent in American Culture (1986), Neither Black Nor White Yet Both: Thematic Explorations of Interracial Literature (1997) and Ethnic Modernism (2008). Daniel G. Williams is Professor of English Literature at Swansea University and author of Ethnicity and Cultural Authority: From Arnold to Du Bois (2006), Black Skin, Blue Books: African Americans and Wales 1845–1945 (2012) and Wales Unchained: Literature, Politics and Identity in the American Century (2015).