Pollard Martin J.
Potenziani, II Ernest
Power Magnets, U.S.A.
Price Robert N.
Prijs Pieter R.
Purner Georg N.
Qgura Clutch Co., Ltd.
Quadrant Technology
Railway Technical Research Institute, The Juridical Foundation
Ranze Richard Andrew
Rayburn Donald L.
Reboredo Losada Oscar
Regenfus Lothar
Reinhold Gasper
Reinkens Kirk A.
Richards James Lee
Rieckeheer Rainer
Riemersma Henry
Rigeade Bernard
Rigley Thomas D.