“Invisible Little Worms”: Athanasius Kircher’s Study of the Plague “Invisible Little Worms”: Athanasius Kircher’s Study of the Plague December 20, 2021 Kircher’s investigation can be seen as an important early step to understanding contagion. This article, “Invisible Little... Read More Read more about “Invisible Little Worms”: Athanasius Kircher’s Study of the Plague