Omelchenko B.
Omori Tsunehiko
Opanasenko Anatoliy
Operations Team the LEDA
Oproiu Constantin
Oreshkov A. D.
Orlov Sergey
Osadchy V.
Oshatz D.
Osipov A. L.
Osswald F.
Ostiguy J.-F.
Ostroumov P. N.
Otboev A.
Ottaviani P. L.
Ou-Zheng Xiao
Ouchi Nobuo
Oudheusden van T.
Overton E.
Ovtchinnikov S.