Yoni Appelbaum, an American historian and journalist, is Senior Editor for politics at The Atlantic. Appelbaum was previously a columnist for the publication.

Before moving to The Atlantic, Appelbaum taught at Harvard University.Appelbaum's academic work focused on what he has jokingly called the, "guilded age," the associative republicanism of the late 19th century, an era when mass-membership organizations like the Knights of Pythias, Chicago Lumber Exchange, and the Woman’s Christian Temperance Union were central to national politics.

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