“…If some essays published in this journal point to the necessity of writing the history of the social sciences with paying heed to the natural sciences, an even more significant number of them have emphasized the cross‐disciplinary nature of social scientific knowledge in the postwar era. Whether authors consider leading social scientists, such as Robert K. Merton (Nichols, ), Talcott Parsons (Owens, ), and David Easton (Gunnel, ); influential works, such as William F. Whyte's sociological classic Street Corner Society (Andersson, ); committees, such as the University of Chicago's Committee on Education, Training, and Research in Race Relations (Gordon, ); think tanks, such as the RAND Corporation and the Cowles Commission (Van Horn & Klaes, ) and the Simulmatics Corporation (Rohde, ); international organizations, such as the United Nations Educational, Scientific and Cultural Organization (UNESCO; Selcer, ); educational models, such as the research‐based model of business education (Bottom, ); research movements, such as measurement of decision making (Heukelom, ), the projective test movement (Lemov, ), the peace research movement (Tomás Rangil, ), and behavioralism in political science (Hauptmann, ); or disciplines and fields, such as psychoanalysis (Gitre, , ), linguistics (Martin‐Nielsen, ), International Relations (Guilhot, ), and British sociology (Steinmetz, ), their narratives point invariably to the historical significance of cross‐disciplinary engagements…”