Portmann Markus
Porto David P.
Possin George E.
Prins Menno W.
Prins Menno Willem Jose
Prussin Simon
Qiu Yanxiong
Rad/Red Laboratories Inc.
Radiographic Screens Oy
Rahn Jeffrey T.
Ramaswamv V G
Ramirez, Esq. Ellis B.
Rao Dandamudi V.
Rapp Lennart
Rauch Werner
Refina Instrument AB
Reina Leo J.
Reisslein Herbert
Renfrew Dwight
Ribeiro Kenneth