Obladen Helga
Occelli Mario L.
Offidani John V.
Ogata Shin-ichi
Oh Seok-Jin
Ohashi Fumihiko
Ohshima Iwao
Ohtsu Shozo
Oikawa Teruo
Okabe Akihiro
Oki Konomu
Okon Toshihiro
Ökopharm Forschungs- und Entwicklungs-GmbH
Okoroafor Michael O.
Olerud Svein
Omori Norihiro
Ong Kenneth
Onoda Chemical Industry Company, Limited
Onodera Tamio
Orii Ryuji