along with Walter Gropius, Bruno Taut, and other members of the Expressionist movement. Krayl's paintings and drawings from this period are richly imaginative and visionary, with titles like "Cosmic building," "Dream city," and "Light greetings from my star house."

Krayl was one of the architects interested in the possibilities of the "glass architecture" advocated by the writer Paul Scheerbart. In 1920 Krayl began designing