Physics from the Lattice: Glueballs in QCD; Topology; SU(N) for All N/ AuthorsM. Teper/ AbstractLectures given at the Isaac Newton Institute, NATO-ASI School on "Confinement, Duality and Non-Perturbative Aspects of QCD", 23 June - 4 July, 1997.DOI: 10.1007/0-306-47056-X_3