Princeton Scientific Instruments Inc.
Prüftechnik Dieter Busch AG
Purcell Alex M.
Rabault Denis
Ramsay James D.
Recognition Systems, Inc.
Reed Christopher J.
Richards Steven L. F.
Rishovd Sigurd A.
Rober Herbert E.
Robin Henri
Rotlex Optics Ltd.
Rotter Mark D
Sachulz Charles E.
Sakiyama Hisashi
Santa Barbara Infrared, Inc.
Sasabe Shuji
Scharfenberg Gottfried
Scholdstrom Karl Ragnar
Schouten Johannes N. T. M.