Scientists 216 / 298
Otto Newman (1922)
Otto Porsch (1875)
Otto Rahn (1904)
Otto Rank (1884)
Otto Redlich (1896)
Otto Robert Frisch (1904)
Otto Ruff (1871)
Otto Schmidt (1891)
Otto Schmitt (1913)
Otto Schott (1851)
Otto Stapf (1857)
Otto Stern (1888)
Otto Struve (1897)
Otto Toeplitz (1881)
Otto Vogl (1927)
Otto von Fürth (1867)
Otto Wallach (1847)
Otto Wiener (1862)
Owen Chamberlain (1920)
Owen Willans Richardson (1879)
P. B. Gajendragadkar (1901)
P. K. Iyengar (1931)
P. K. Kelkar (1909)
P. N. Vinayachandran (1964)
P. R. Wallace (1915)
P. S. Veeraraghavan (1948)
P. W. Singer (1974)
Pablo DT Valenzuela (1941)
Paco Lagerstrom (1914)
Pafnuty Chebyshev (1821)
Pahor Labib (1905)
Pál Turán (1910)
Pamela Faber (1950)
Pamela Matson (1953)
Pan Chengdong (1934)
Pandi Geço (1913)
Panos Ipeirotis (1976)