O'Malley Conor
O'Neill James G
Obee Frederick Larry
Ogreenc Fred
Ohara Mitsuhiro
Ohlfest Carsten
Ohlsson Bengt
Ohtake Toshiro
Okumura Katsuyuki
Olav Hofseth
Oldfelt Sven
Olivier Gerard Joseph Cecil
Orcutt Ronald
Orcutt Ronald E.
Ostman Anders G.
Ozeki Tsuyoshi