Dr. Karl Alexander is the John Dewey Professor Emeritus of Sociology and Founder and Director of the Thurgood Marshall Alliance. Before joining Johns Hopkins in 1971, he earned his B.A. from Temple University (1968) and Ph.D. in Sociology from the University of North Carolina-Chapel Hill (1972). In this interview, Alexander discusses his dissertation work at UNC and contributions to Hopkins' new Center for Social Organization of Schools in the 1970s. He goes on to detail his work in the sociology of education, which drew from field research in Baltimore, as well as his founding of the Thurgood Marshall Alliance, which aims to improve economic and racial diversity in Baltimore schools. This oral history is part of the Hopkins Retrospective oral histories series.