Konstantin Tsiolkovsky, The Will of the Universe: The Unknown Intelligence (1928)
Rudolf Carnap, The Logical Structure of the World (1928) and Pseudoproblems in Philosophy (1928)
Helmuth Plessner, Die Stufen des Organischen und der Mensch (in German, not yet translated into English, 1928)
Stefan George, The New Empire (originally published in German as Das Neue Reich, 1928)
Odo Marquard (February 26)
Hans Küng (March 19)
Nicholas Rescher (July 15)
Robert M. Pirsig (September 6)
Humberto Maturana (September 14)
Wolfhart Pannenberg (October 2)
Alvin Toffler (October 4)
Noam Chomsky (December 7)
Solomon Feferman (December 13)
Philip K. Dick (December 16)
Max Scheler (May 19)
1928 in philosophy Wikipedia (Text) CC BY-SA