Dr. William A. Darity Jr., professor of economics at the University of North Carolina at Chapel Hill, will deliver the 1991 Martin Luther King Jr. scholar-in-residence lecture Wednesday, Jan. 30, at the University of Utah.

Darity will discuss "From Genes to Genealogy: American Economics and the Race Question." His speech addresses how economists have tried to explain racial and ethnic differences in patterns of economic achievement since the 1880s. The free public lecture will be at noon in the Olpin Union Ballroom.He is participating in the university's seventh annual Martin Luther King Jr. celebration. He also will lecture Wednesday, Jan. 30, in the Fine Arts Auditorium on "The Debate Over Black Economic Progress" at 4 p.m.