O.m.v.l. S.r.l.
Oban Harold C.
Obermeyer Ernest J.
Occella Sergio
Odum Charles E.
Oehley Gernot
Oeth James F.
Ohama Yasumichi
Ohashi Isamu
Ohata Satoru
Ohfuji Mitsuo
Ohhama Yasumichi
Ohinouye Tsuneo
Ohl Gregory L.
Ohmura Yukihiro
Ohsawa Hiroyasu
Ohzono Miyuki
Oikawa Kenichi
Ojala William K.
Okada Daimon