List of mathematicians (O)

O

• O'Rourke, Joseph (?, ? - )
• Obreshkov, Nikola (?, 1896 - 1963)
• Ockendon, John (Britain, ? - )
• Odifreddi, Piergiorgio (Italy, 1950 - )
• Odlyzko, Andrew (USA, ? - )
• y Odoardo, Juan Manuel Cajigal (?, ? - )
• Oenopides (Ancient Greece, 490s BC - )
• Oesterlé, Joseph (?, ? - )
• Offord, Cyril (?, ? - )
• Ogburn, William Fielding (USA, 1886 - 1959)
• 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, 1921 - 1982)
• Olearius, Adam (Germany, 1603 - 1671)
• Oleinik, Olga Arsenievna (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)
• Ono, Ken (USA, ? - )
• Oommen, John (?, 1953 - )
• Oppenheim, Alexander (Britain, 1903 - 1997)
• Oppitz, Volker (Germany, 1931 - )
• von Oppolzer, Theodor (Austria, 1841 - 1886)
• Ore, Øystein (Norway, 1899 - 1968)
• Oren, Menachem (Israel, 1901 - 1962)
• Oresme, Nicole (?, 1323 - 1382)

Orl

• Orlicz, Władysław (Poland, 1903 - 1990)
• Ornstein, Donald Samuel (USA, ? - )
• Orr, William McFadden (Ireland, 1866 - 1934)
• Orrell, David (Canada, ? - )
• Orszag, Steven A. (USA, ? - )
• Osher, Stanley (USA, 1942 - )
• Osipov, Yury (Soviet Union/Russia, 1936 - )
• Osipovsky, Timofei Fedorovic (Russia, 1765 - 1832)
• Osserman, Robert (USA, ? - )
• Ostrogradsky, Mikhail Vasilievich (Ukraine/Russia, 1801 - 1862)
• Ostrowski, Alexander (?, 1893 - 1986)
• Otho, Valentinus (Germany, ? - 1603)
• Ottlik, Géza (Hungary, 1912 - 1990)
• Otto, Felix (Germany, 1966 - )
• Oughtred, William (England, 1575 - 1660)
• Overbeek, Ross (USA, ? - )
• Owen, Guillermo (Colombia, 1938 - )
• Owen, Henry (Wales, 1716 - 1795)
• Ozanam, Jacques (France, 1640 - 1717)
• Ozsváth, Peter (USA, ? - )