Orchard Kenneth L.
Ord George
Orfeus Combustion Engineering GmbH
Orilio Paul F.
Orlandin Vanis
Orringer, Jr. Frederick M.
Ortech Industries, Inc.
Osamu Tokunaga
Osawa Takeshi
Osheroff Gene W.
Osifchin Nicholas
Ostarello Steve R.
Osvaldo Ruga
Overman Paulus T. J.
Owen Edward A.
Owenson Peter
Oya Takafumi
Padgett H. Pat
Page, Jr. George W.
Palmer Richard