Frontispiece
3Xanti Schawinsky, Spectodrama 8: Building (Tensional), 1936--37.
4 Photocollage on paper, 16 × 21.1″. The Xanti Schawinsky Estate.
5 Publication of this book has been aided by a grant from the Neil Harris Endowment Fund, which honors the innovative scholarship of Neil Harris, the Preston and Sterling Morton Professor Emeritus of History at the University of Chicago. The Fund is supported by contributions from the students, colleagues, and friends of Neil Harris.
6 This paper meets the requirements of ANSI/NISO Z39.48-1992 (Permanence of Paper).