Dominic Pacyga talked about the political dynasties of Chicago Mayors Richard J. and Richard M. Daley. The author of Chicago: A Biography (University Of Chicago Press; October 1, 2009) talked about unexplored questions about the Daleys. He showed some slides during his talk and then responded to questions from members of the audience. "The Daleys of Chicago: A Study in Political Power" was a 2009-1010 Urban History Seminar held Thursday, January 14, 2020, by the Chicago History Museum.