Wikipedia:WikiProject Mathematics/List of mathematicians (O)
Obr
- Obreshkov, Nikola (?, 1896 - 1963)
- Ockendon, John (Britain, ? - )
- Odifreddi, Piergiorgio (Italy, 1950 - )
- Odlyzko, Andrew (USA, ? - )
- Oenopides (Ancient Greece, 500s BC - )
- Oesterlé, Joseph (?, ? - )
- Ohm, Martin (Germany, 1792 - 1872)
- Oka, Kiyoshi (Japan, 1901 - 1978)
- Okamura, Hiroshi (Japan, 1905 - 1948)
- Okounkov, Andrei (Russia, 1969 - )
- Øksendal, Bernt (Norway, 1945 - )
- Oldroyd, James G. (Britain, ? - )
- Oleinik, Olga Arsenievna (Ukraine/Soviet Union, 1925 - 2001)
- Ollerenshaw, Kathleen (Britain, 1912 - )
- Olszewski, Karol (Poland, 1846 - 1915)
- Olum, Paul (USA, 1918 - 2001)
- Omladič, Matjaž (Slovenia, 1950 - )
- Onicescu, Octav (Romania, 1892 - 1983)
- Oppenheim, Alexander (Britain, 1903 - 1997)
- von Oppolzer, Theodor (Czech Republic, 1841 - 1886)
- Ore, Øystein (Norway, 1899 - 1968)
- Oren, Menachem (Israel, 1901 - 1962)
- Oresme, Nicole (?, ? - )
- Orlicz, Władysław (Poland, 1903 - 1990)
- Orlov, Ivan (?, 1886 - )
- Orrell, David (?, ? - )
- Osher, Stanley (USA, 1942 - )
- Osipov, Yury (Soviet Union/Russia, 1936 - )
- Osipovsky, Timofei Fedorovic (Russia, 1765 - 1832)
- Ostrogradsky, Mikhail Vasilievich (Ukraine/Russia, 1801 - 1862)
- Ostrowski, Alexander (?, 1893 - 1986)
Ott
- Ottlik, Géza (Hungary, 1912 - 1990)
- Otto, Felix (Germany, 1966 - )
- Oughtred, William (England, 1575 - 1660)
- Owen, Guillermo (Colombia, 1938 - )
- Owen, Henry (England, 1716 - 1795)
- Oxenhielm, Elin (Sweden, ? - )
- Ozanam, Jacques (France, 1640 - 1717)
- Ozsváth, Peter (USA, ? - )
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