Joseph Margolis is Professor at Temple University, Philadelphia, USA. Tom Rockmore is Professor at Duquesne University, Pittsburgh, USA.

• Contents: Introduction, Tom Rockmore and Joseph Margolis; The concepts of physics: rational contents and constructions in history, Michel Paty; Theory-change and the logic of enquiry: new bearings in philosophy of science, Christopher Norris; Science, history, and philosophy in Kant and Hegel, Angelica Nuzzo; Historicity, social psychology and change, Rom Harré and Fathali M. Moghaddam; The reality of history, David Carr; The social location of scientific practices, Hugh Lacey; Kuhn, different worlds and science as historical, Tom Rockmore; Incommensurability modestly recovered, Joseph Margolis; Index.

Joseph Margolis is Professor at Temple University, Philadelphia, USA. Tom Rockmore is Professor at Duquesne University, Pittsburgh, USA.

• Contents: Introduction, Tom Rockmore and Joseph Margolis; The concepts of physics: rational contents and constructions in history, Michel Paty; Theory-change and the logic of enquiry: new bearings in philosophy of science, Christopher Norris; Science, history, and philosophy in Kant and Hegel, Angelica Nuzzo; Historicity, social psychology and change, Rom Harré and Fathali M. Moghaddam; The reality of history, David Carr; The social location of scientific practices, Hugh Lacey; Kuhn, different worlds and science as historical, Tom Rockmore; Incommensurability modestly recovered, Joseph Margolis; Index.