Post Columnist John Kelly writes, "Etienne Benson may be our country’s leading squirrel historian, but he doesn’t actually spend that much time watching squirrels. Instead, he watches people watching squirrels.

Benson is an assistant professor at the University of Pennsylvania. His recent article in the Journal of American History, “The Urbanization of the Eastern Gray Squirrel in the United States,” has electrified the squirrel world.

Read all about it at this link  Washington Post