In 2001, a Swedenborgian minister found a set of seven magnificent stained-glass windows stored in old crates in a barn in rural Pennsylvania. Their story illuminates a fascinating facet of American art history as well as an important set of spiritual teachings. In 1902, a Swedenborgian church in Glendale, Ohio, commissioned the seven windows as a gift for their sister church in Cincinnati. Each window depicts an angel that represents...