Dominic A. Pacyga is professor emeritus of history in the Department of Humanities, History, and Social Sciences at Columbia College Chicago. His books include Polish Immigrants and Industrial Chicago: Workers on the South Side, 1880–1922; Chicago: A Biography; and Slaughterhouse: Chicago's Union Stock Yard and the World It Made, all from the University of Chicago Press. Pacyga is the 2014 Mieczyslaw Haiman Award winner for exceptional and sustained contribution to the study of Polish Americans.