WOLF HALL, which honors Dr. Theodore R. Wolf, Professor of Chemistry from 1871 to 1909, a spacious three-story brick building, was erected for the School of Agriculture in 1917. Several of the departments of Pure Science are in this building. - Delaware: A Guide to the First State, 1938, pg. 228.
The building is as described in the Guide. The building now houses the Department of Psychology and the Department of Biological Sciences.