Founded around 1700 by a group of German Lutherans known as Pietists, the Halle Orphanage became the institutional headquarters of a universal seminar that still stands largely intact today. It was the base of an educational, charitable, and scientific community and consisted of an elite school for the sons of noblemen; schools for the sons of artisans, soldiers, and preachers; a hospital; an apothecary; a bookshop; a botanical garden; and a cabinet of curiosity containing architectural models, naturalia, and scientific instruments. Yet, its reputation as a Pietist enclave inhabited...