 | Obaid Siddiqi FRS was a National Research Professor at Tata Institute of Fundamental Research... more » |
 | Obrad Zelic is a regular professor of parodontology and oral medicine at the University of... more » |
 | Odón de Buen y del Cos was a Spanish naturalist, politician and publicist. He founded the... more » |
 | Ofer Feldman (オフェル・フェルドマン） is a Professor of Political Psychology and Political Behavior at... more » |
 | Ognjeslav Kostović Stepanović was a Serbian inventor. He was born in Wiesburg, Austria to a... more » |
| Oktay Sinanoğlu is a Turkish physical chemist. more » |
| Olaf Hagerup was a Danish botanist. He studied botany at the University of Copenhagen from 1911... more » |
 | Ole Borch was a Danish scientist, physician, grammarian, and poet, most famous today for being... more » |
| Ole Jørgen Anfindsen is a Norwegian computer scientist, author and social commentator. Anfindsen... more » |
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Portrait_of_Ole_Worm,_"Fasti_Danici",_1626_Wellcome_L0008182.jpg/188px-Portrait_of_Ole_Worm,_"Fasti_Danici",_1626_Wellcome_L0008182.jpg "Ole Worm") | Ole Worm, who often went by the Latinized form of his name Olaus Wormius, was a Danish physician... more » |
 | Oleg Vladimirovich Losev was a scientist and inventor, born to a high-ranking family in Imperial... more » |
| Oleksander Ohloblyn, Ukr. Олександер Петрович Оглоблин was one of the most important Ukrainian... more » |
| Oleksandr Oleksandrovich Bogomoletz or Bohomolets was a renown Ukrainian pathophysiologist. He... more » |
| Oleksandr Mikolaiovich Sharkovsky Oleksandr Mykolaiovych Sharkovsky is a prominent Ukrainian mathematician most famous for... more » |
| Olena Apanovych was a Ukrainian historian, researcher of Zaporozhian Cossackdom. more » |
 | Olga Arsenievna Oleinik was a Soviet mathematician who conducted pioneering work on the theory... more » |
 | Olga D. González-Sanabria is a Puerto Rican scientist and inventor. She is the highest ranking... more » |
| Olga Kennard, née Weisz is a British crystallographer, and was Director of the Cambridge... more » |
 | Dame Olga Nikolaevna Uvarov, DBE, FRCVS was a veterinary surgeon and clinical researcher. She... more » |
| Oliver H Leblanc was a researcher with GE Global Research more » |
| Oliver Louis Zangwill FRS was an influential British neuropsychologist. He was Professor of... more » |
 | Olli Viktor Lounasmaa was a Finnish academician, experimental physicist and neuroscientist. He... more » |
 | Ghiyāth ad-Dīn Abu'l-Fatḥ ʿUmar ibn Ibrāhīm al-Khayyām Nīshāpūrī was a Persian polymath,... more » |
 | Omid Kokabee is an Iranian experimental laser physicist at the University of Texas at Austin who... more » |
 | Omond McKillop Solandt, CC OBE CD FRSC was an important Canadian scientist who was the first... more » |
