Main Staircase for the Arts Club Chicago,1948-51 Steel, travertine marble 359.4 x 458.8 x 609.3 cm; 141 1/2 x 180 5/8 x 239 7/8 inches Arts Club commission 1948–1951 Ludwig Mies van der Rohe 109 East Ontario Street, Chicago, Illinois, 1951–1995 Repositioned by John Vinci 210 East Ontario Street, Chicao, Illinois, October 1, 1998

Untitled (The Art Institute of Chicago, 2014)

2014 · Offset lithograph

Untitled (The Museum of Modern Art, New York, 2014)

2014 · Offset lithograph

Fig. 2: Loading the film (ORWO NP15 135-36 ASA 25, Manufactured by VEB Filmfabrik Wolfen, Wolfen, German Democratic Republic) Exakta Varex IIa 35 mm film SLR camera Manufactured by Ihagee Kamerawerk Steenbergen & Co, Dresden, German Democratic Republic Body serial no. 979625 (Production period: 1960 - 1963) Carl Zeiss Jena Tessar 50mm f/2.8 lens Manufactured by VEB Carl Zeiss Jena, Jena, German Democratic Republic Serial no. 8034351 (Production period: 1967 - 1970) Model: Christoph Boland Studio Thomas Borho, Oberkasseler Str. 39, Düsseldorf, Germany June 25th, 2012

2012 · Inkjet print

Untitled (Kabinett für aktuelle Kunst, Bremerhaven, Germany, 2012-2013)

2012 · Offset lithograph

Untitled (Williams Klasse, Kunstakademie Düsseldorf, Germany, 2012)

2012 · Offset lithograph

Untitled (Williams Klasse, Kunstakademie Düsseldorf, Germany, 2011)

2011 · Offset lithograph