1903 in philosophy

1903 in philosophy

Publications

 * Konstantin Tsiolkovsky, The Exploration of Cosmic Space by Means of Reaction Devices (1903)
 * Georg Simmel, The Metropolis and Mental Life (1903)
 * W. E. B. Du Bois, The Souls of Black Folk (1903)
 * G. E. Moore, Principia Ethica (1903) and The Refutation of Idealism (1903)

Births

 * February 22 - Frank Ramsey (died 1930)
 * May 10 - Hans Jonas (died 1993)
 * September 11 - Theodor W. Adorno (died 1969)

Deaths

 * October 4 - Otto Weininger (born 1880)
 * November 1 - Theodor Mommsen (born 1817)
 * December 8 - Herbert Spencer (born 1820)