St. Hyacinth Basilica in Chicago, the vault [Polish parishes and churches in Chicago]

In the apse of the chancel of the church author of painted decorations A. Mallin placed the representation of angelic hosts adoring the Most Blessed Sacrament, and below it, in golden majuscule, he wrote an acclamation – a threefold invocation of the Sanctus.
Mallin also designed the paintings, figures of angels and ornamental decorations in the naves and transept of the church, including the noteworthy representations of Polish saints (St. Stanislaus, St. Stanislaus Kostka, St. John Cantius, St. Andrew Bobola) and the image of Mary Immaculate, modeled on the popular painting of the 17th century Spanish painter Murillo.