Alvin H. Hansen, emeritus professor of economics at Harvard University, former economic advisor to the State Department and current faculty member at the University of Michigan, gave the Martin H. Crego Lecture, “The Changing Structure of the American Economy,” in Blodgett Auditorium. The Crego lecture, part of the Crego Endowment, established in 1956 by Jean Crego ’32, in honor of her father, sponsored an annual lecture in the general field of economics, under the auspices of the economics department.