Ha pubblicato: The Concept of Matter(1963); Galileo, Man of Science (1967); Newton on Matter and Activity (1978); Evolution and Creation (1985); Construction and Constraint (1988); (edited with James Cushing) Philosophical Consequences of Quantum Theory (1989); The Social Dimensions of Science (1992); The Inference That Makes Science (1992).

Prof. Emeritus, Department of Philosophy, University of Notre Dame, USA.