Allen Hall (University of Pittsburgh)
Allen Hall at the University of Pittsburgh is a Pittsburgh History and Landmarks Foundation Historic Landmark and a contributing property to the Schenley Farms National Historic District. Completed in 1914 and originally serving as the home to the Mellon Institute of Industrial Research, the six-story Greek Revival building designed by J. H. Giesey now serves as the home of the university's Department of Physics and Astronomy.
Source: Wikipedia — Allen Hall (University of Pittsburgh) (CC BY-SA 4.0)