Introduction (W. S. Rees, Jr.) Superconducting Materials (T. J. Marks, D., L. Schulz) Conducting Materials (K.-H. Dahmen, T. Gerfin) Semiconducting Materials (G. S. Tompa) Insulating Materials (A. R. Barron) Structural Materials (W. J. Lackey) Other Materials (G. Kraeuter, W. S. Rees, Jr)