Peter Hedström (sociologist)

• 1. Introduction

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  Peter Hedström was born on the 14th of July 1955 in Norsjö, a small town in northern Sweden. Few would have predicted that this particular sociologist would spend decades reshaping how the discipline thinks about explanation itself. The questions that drive this documentary are not merely about one career. They are about a fundamental argument in social science: can we explain why society works the way it does by identifying the precise mechanisms underneath observable patterns? Hedström has spent his professional life insisting the answer is yes, and building the tools to prove it.

• 2. Harvard and the Making of a Theorist

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  Hedström completed his Ph.D. at Harvard University in 1987, one of the most theoretically intense environments in American social science at the time. From there he moved directly to a post as assistant professor at the University of Chicago, another institution with a long tradition of rigorous sociological inquiry. By 1989 he had returned to Sweden to accept a professor chair at the Department of Sociology at Stockholm University. That early decade from dissertation to full professor set the intellectual foundation on which everything that followed would rest. His interest was not in any single social problem but in the underlying logic of how sociologists should even go about explaining social life. That preoccupation with foundations would lead, in 1998, to a co-edited volume with Richard Swedberg titled Social Mechanisms: An Analytical Approach to Social Theory, published by Cambridge University Press.

• 3. Analytical Sociology as a Field

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  The 1998 volume with Swedberg helped crystallize a way of doing sociology that had been implicit in scattered pockets of the discipline but had never quite been named. Hedström is now recognized as one of the founders of analytical sociology, a field that demands social explanations go beyond statistical patterns and identify the actual mechanisms connecting cause to effect. His 2005 book, Dissecting the Social: On the Principles of Analytical Sociology, published by Cambridge University Press, laid out the philosophical and methodological stakes in sustained form. The title was pointed: dissection, not description. Analytical sociology asks not just what correlates with what but why, at the level of individual actors, interactions, and the social networks that connect them. His work on social contagion processes and complex social networks fed directly into that framework, asking how behaviors and beliefs spread through a population step by step. The Oxford Handbook of Analytical Sociology, co-edited with Peter Bearman and published in 2009 by Oxford University Press, became a foundational reference for scholars working in the tradition.

• 4. Oxford, Singapore, and a Restless Career

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  In 2003, Hedström took up the position of Official Fellow and professor at Nuffield College, University of Oxford, one of the most prestigious posts available to a social scientist in Europe. He held that chair for eight years. During the 2008-2009 academic year he also served as dean of the School of Social Sciences at the Singapore Management University, adding an international administrative dimension to his already wide portfolio. In 2011 he left Oxford to become director of the Institute for Futures Studies in Stockholm, a move that signaled an interest in applying rigorous social-science methods to questions about what comes next rather than only what has already happened. Three years later, in 2014, he founded the Institute for Analytical Sociology at Linköping University, creating a dedicated institutional home for the field he had helped define.

• 5. Institutional Reach

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  Hedström has served as president of the Swedish Sociological Association and as president of the International Network of Analytical Sociology. He is past president of the European Academy of Sociology. His editorial roles have spanned Acta Sociologica, where he served as editor, and the American Journal of Sociology, the Annual Review of Sociology, and Rationality and Society, where he served as associate editor. Fellowships and honorary memberships accumulated across multiple national academies: the Royal Swedish Academy of Sciences, the Royal Swedish Academy of Letters, History and Antiquities, the Norwegian Academy of Science and Letters, and the Academia Europaea. He has been a Fellow at the Swedish Collegium for Advanced Study in Uppsala on more than one occasion. His co-authored paper on causal mechanisms in the social sciences, written with Petri Ylikoski and published in the Annual Review of Sociology, volume 36, pages 49-67, represents one of the discipline's clearest attempts to bridge philosophical work on causation with practical social-scientific method. That paper continues to circulate as a teaching text for graduate students grappling with what explanation in sociology should actually look like.