Abstract
It is argued that, despite the neglect which Heidegger’s writings on science have generally received, the “fundamental ontology” of Being and Time reveals certain structures of experience crucial for our understanding of science; and that, as these insights cast considerable doubt upon the validity of the empiricist/positivist conception of science, Heidegger deserves considerably better treatment as an incipient philosopher of science than has been the case thus far. His arguments for the distortive effects of the alleged “change over” from praxis to theoria, for the circularity of all human understanding (including scientific understanding), for the necessity of interpreting scientific method in terms of the hermeneutic circle, and for viewing scientific “crises” in ontological terms, are examined and evaluated. The article concludes with some reflections on the later Heidegger’s views on the limits of his earlier idea of science.