Contents

• Events
• Publications
• Births
• Deaths
• References

This article does not cite any sources . Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources:  "1903 in philosophy"  –  news · newspapers · books · scholar · JSTOR (February 2026) ( Learn how and when to remove this message )

1903 in philosophy

Events

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)

References