O'Halloran Rosemary
O'Loghlin James J.
O'Loughlin J. J.
O'Mara James H.
O'Neill David C.
O'Rourke Ronald L.
Oaks Arthur E.
Obelchenko Evgeny I.
Oce-van de Grinten N.V.
Ochs Kerstin
Oda Shin-ichi
Oda Tatsuharu
Oesch Johann U.
Ogake Ryoji
Ogano Satoshi
Ogisu Shigehiro
Ogorodnik Vladimir V.
Oguchi Toshitaro
Ogura Shigetoshi
Oharu Tetunosuke