A tribute to Glenn Snyder

I had planned to write about something else today, but instead I want to acknowledge the recent passing of Glenn Snyder, an important international relations theorist. I didn't know him well -- indeed, I think we met on only one occasion -- but I read a lot of his work over the years and admired both his intellectual ambition and the clarity of his thinking.

Snyder's scholarly career spanned more than four decades and he made contributions in several areas. He was a co-author of Strategy, Politics and Defense Budgets (1962) an important account of U.S. national security policymaking in the 1950s, contributing a lengthy study of Eisenhower's "New Look" in nuclear strategy. His 1961 book Deterrence or Defense: Toward a Theory of National Security was an early refinement of classical deterrence theory and one of the first applications of game theory to international affairs. In the 1970s, he and co-author Paul Diesing published Conflict among Nations: Bargaining, Decisionmaking and System Structure in International Crises, an ambitious attempt to integrate structural realism, game theory, and theories of decision-making to understand crisis outcomes. I pored over this book in graduate school and learned an enormous amount from Snyder's careful analysis; I must have read chapter 6 of that book ("Crises and International Systems") dozens of times. His 1984 World Politics article "The Security Dilemma in Alliance Politics" was another classic, and especially his elaboration of the reciprocal risks of "abandonment" versus "entrapment" (concepts first proposed by Michael Mandelbaum). This last line of work culminated in his magisterial book Alliance Politics, which combined careful deductive analysis with a series of deeply research case studies. 

Snyder was primarily a theorist, although he was also clearly  comfortable doing careful qualitative/historical research. And, like John Herz, he strikes me as someone who deserved a higher reputation in the field than he had. I think this may be due to the nature of his later work: Instead of picking a single big idea and promoting it incessantly,  both Conflict among Nations and Alliance Politics contained a lot of different ideas and came at their subjects from several angles at once. This comprehensive approach had a great deal of scholarly integrity to it, but it also made his works harder to pigeonhole. They were also too long to put on most graduate course syllabi, which meant that over time fewer graduate students were exposed to his work.  

In this way, the practical sociology of the IR business may have cost Snyder some recognition. Nonetheless, he was the author of not one but several classic books and articles, works that still reward a careful reading today. How many IR scholars can say the same? 

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