001 121 140 1770-1831 1889-1976 193 20thcentury congresses contributionsinphilosophyoftheoryheidegger criticism criticism(philosophy) debatesanddebating dialectic dialogue discussion evidence experience georgwilhelmfriedrich hermeneutics history humanities influencearistotle influencehegel intellectuals interviews knowledge martin methodology modern philosophers philosophy postmodernism poststructuralism pragmatism radicals reason reasoning reflection(philosophy) research researchdesign science scienceandthehumanities socialsciences systemtheory theoryof