Robert J. Barro, the Robert C. Waggoner Professor of Economics at Harvard University, will deliver the Thomas Sowell Professorship of Economics inaugural lecture, titled Economics and Religion, at 4:30 p.m. Thursday, May 2, in the Keck Classroom of Pettengill Hall. A reception will follow in Pettengill's Perry Atrium, and the public is invited to attend the entire event free of charge.