The problems of international communication and linguistic rights are recurring debates in the present-day age of globalization. But the debate truly began over a hundred years ago, when the increasingly interconnected world of the nineteenth century fostered a desire for the development of a global lingua franca. Many individuals and social movements competed to create an artificial language unencumbered by the political rivalries that accompanied English, German, and French. Organizations including the American Philosophical Society, the International Association of Academies, the...