John R. Stallings is an individual known primarily as an American mathematician, notably for his contributions to topology, particularly in the areas of fiber bundles and knot theory. He has published various research papers and has had an influence on the field, particularly through his work on the theory of manifolds and algebraic topology. His work includes the development of what is known as the Stallings theorem related to groups, which deals with the decomposition of groups and provides insight into their structure.
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