 Zimmermann died as the group of eleven families were preparing to travel from Rotterdam.His disciple Johannes Kelpius was elected to take Zimmermann's title of "magister", leading "the Hamburg Group" (including Zimmermann's widow) to an area near Wissahickon Creek, Pennsylvania.Here they established a religious community which, while still famed in local legend, dissolved shortly after Kelpius' death in the early eighteenth century.