The HUB–Robeson Center, commonly referred to as the "HUB" is the student union building centrally located on the University Park campus of Pennsylvania State University. It was originally built in 1953 and had major renovations done in 1973 and 1983. The most recent round of expansions and renovations was begun in May 1997, adding 91000sqft to the existing 154000sqft building. The building was originally named the Hetzel Union Building for Depression-era President of Penn State Ralph Dorn Hetzel.