Padovan Giorgio
Palm Lowell L.
Patzig Dieter
Paul Donald G.
Pederson Jerard M.
Pelkio Ari
Perala Aulis
Peters Joseph E.
Peterson John G
Peterson John Gary
Petrushkin Viktor D.
Pierog Joseph J.
Plaisier Leendert
Poe Scotty R.
Polyset Company
Postavnichev Vladimir Konstantinovich
Prendergast Gavin J. J.
Preuss Helmut
Princeton Separations
Purchas Derek B.