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'''Martin Heidegger''' (1889 - 1976) is acknowledged to be one of the most original and important philosophers of the 20th centuryas a modern day [[philosopher]]. He wrote on a variety of subjects such as [[postmodernism]], [[psychology]], [[hermeneutics]], [[political theory]], [[existentialism]], [[theology]] and [[phenomenology]]. He was also a member of the [[Nazi Party]]. His major work was ''Being and Time'' (1927) which was fundamental in the development of existentialism, although Heidegger himself denied he was an existentialist. Heidegger believed that a person's sense of self was dependent on a sense of time and his impending death. ==Source== The New American Desk Encyclopedia, Penguin Group, 1989 {{DEFAULTSORT:Heideggar, Martin}}