Jordi Cat is Associate Professor in the Department of History and Philosophy of Science at Indiana University, USA. He is the co-author of Otto Neurath: Philosophy Between Science and Politics (1996), and the author of the forthcoming monographs Master and Designer of Fields: James Clerk Maxwell and Constructive, Connective, Conventionalist, and Concrete Natural Philosophy and Physics Beyond Laws and Theories: The Limits of Unity, Universality, and Precision.