I examine the influence of James B. Conant on the writing of Kuhn’s Structure of Scientific Revolutions. By clarifying Conant’s influence on Kuhn, I also clarify the influence that others had on Kuhn’s thinking. And by identifying the various influences that Conant had on Kuhn’s view of science, I identify Kuhn’s most original contributions in Structure. On the one hand, I argue that much of the framework and many of the concepts that figure in Structure were part of Conant’s picture (...) of science, a picture that figured prominently in the general education natural science courses that Conant taught at Harvard. On the other hand, I show that Kuhn’s Structure contains important contributions that do not figure in Conant’s picture of science. I argue that the following three themes in Structure do not originate with Conant: (1) the concept of “normal science”; (2) “the problem of scientific revolutions,” that is, the apparent threat posed by radical changes of theory in science; and (3) Kuhn’s emphasis on the social dimensions of science, specifically the social structure of research communities. (shrink)

Between the two World Wars an extensive body of writings appeared in the United States explicitly or implicitly on the historical development of the sciences. I am not referring to the vast literature of popularization in magazines and newspapers but to substantial works, often in book form, coming from various intellectual and scholarly traditions. Only a few examples are classifiable by later standards as professional history of science. Following Arnold Thackray, one can designate some authors as ‘proto-historians’ of science. Most (...) of the writings, including those of the ‘proto-historians,’ have distinctive attributes: methods, attitudes and goals, reflecting traditions other than professional history of science or even the general history exemplified by the American Historical Association's membership of that era. What follows is a bird's eye view of a past of interest for its own sake and for clues about the professionalization of history of science after 1950. (shrink)

This Focus section celebrates one hundred years of Isis. The authors of the essays discuss what the future has in store for the history of science. -/- .