The essays in this volume discuss the life and work of French philosopher Gaston Bachelard, exploring the context of his thought, the relationship between his work on science and on poetry, and his approach to language. 1. "Bachelard in the Context of a Century of Philosophy of Science," by Colin Smith; 2. "Gaston Phenomenologist of Modern Science," by Alfons Grieder; 3. "Gaston Bachelard and Ferdinand Philosophers of Scientific Dialectics," by Henri Lauener; 4. "Science and Poetry in the Ontology of Human Bachelard's Account of the Poetic and the Scientific Imagination," by Noel Parker; 5. "Bachelard and the Refusal of Metaphor," by Jean-Claude Margolin; 6. "The Place of Alchemy in Bachelard's Oneiric Criticism," by John G. Clark; "Unfixing the Gaston Bachelard and Reading," by Mary McAllester. Co-published with the Center for Advanced Research in Phenomenology.