Inductee	Year	Contributions
Thomas Hancok	1985	Founder of Rubber Processing Technology including Mastication, Mixing and various molding processes
John Wesley Hyatt	1985	Pioneer of Plastics Processing Technology, Inventor of Celluloids, Injection Molds and related molding technology
Stephanie Louis Kwolek	1985	Founder of Polymer Liquid Crystal, Processing Technology
Fernley H. Banbury	1986	Inventor of Modern Internal Mixer, Pioneer in Compounding Elastomers
Walter J. Schrenk	1986	A pioneer in Thermoplastics Processing, especially co-extrusion
Rudolph Erdmenger	1987	Inventor of the Modular Intermeshing co-rotating Twin Screw Extruder
Nathaniel C. Wyeth	1987	Inventor of the Stretch Blow Molding Process
Heinz List	1988	Pioneer of self wiping continuos mixing machine, Inventor of the Kokneader
Charles Maillefer	1988	A pioneer of screw extruder design and inventor of the Barrier Screw
Erwin Weinbrenner	1989	Inventor of the Steam Impingement Mixing and pioneer of Polyuretheane Technology