Half-Century of the Journal of Polymer Science

David A. Tirrell is an American chemist and the Ross McCollum-William H. Corcoran Professor and Professor of Chemistry and Chemical Engineering at the California Institute of Technology. Eli M. Pearce was research professor at New York University Polytechnic School of Engineering and a past-president of the American Chemical Society. He received a B.S. degree in chemistry from Brooklyn College in 1949. Pearce earned a Ph.D. in chemistry from Polytechnic Institute of Brooklyn.

• Partial table of contents: POLYMER CHEMISTRY. Intramolecular Reactions in Vinyl Polymers as a Means of Investigation of the Propagation Step (E. Merz, et al.). Relative Reactivities in Vinyl Copolymerization (T. Alfrey & C. Price). Commentary: Reflections on "Recent Developments in Polymerization by an Alternating Intra-Intermolecular Mechanism" (G. Butler). Commentary: Relections on "General Theory of Stationary Random Sequences with Applications to the Tacticity of Polymers" (B. Coleman & T. Fox). Aromatic Polypyromellitimides from Aromatic Polyamic Acids (C. Sroog, et al.). Liquid Crystal Polymers. I. Preparation and Properties of p-Hydroxybenzoic Acid Copolyesters (W. Jackson & H. Kuhfuss). Photoinitiated Cationic Polymerization with Triarylsulfonium Salts (J. Crivello & J. Lam). POLYMER PHYSICS. Simple Presentation of Network Theory of Rubber, with a Discussion of Other Theories (H. James & E. Guth). The Melting Points of Chain Polymers (C. Bunn). Theory of the Interface between Immiscible Polymers (E. Helfand & Y. Tagami). Crazing and Shear Deformation in Crosslinked Polystyrene (C. Henkee & E. Kramer).