(art)n Artists: 

Ellen Sandor

Collaborative Artists: 

Donna Cox, George Francis and Ray Idaszak, NCSA, University

of Illinois at Urbana-Champaign

Tom DeFanti and Dan Sandin, Electronic Visualization Lab, School of Art and

Design, University of Illinois at Chicago

Special thanks to Larry Smarr, NCSA, University of Illinois at Urbana-



Virtual Photograph


Kodak Fast Film, Kodalith, Plexiglas


PHSColograms by (art)n, Fermilab Gallery, Fermi National Accelerator Laboratory IL, November 11, 1987–January 6, 1988

The Interactive Image, Museum of Science and Industry, Chicago, IL, October 1987-January 1988

Nature, Feature, Chicago, IL, April 1987




Fermilab catalogue


A portrait of a Romboy Homotopy, a four dimensional mathematical object.

Computer/Camera Technique

The first of the computer-generated PHSColograms was produced using the same camera as that used for the real-time objects, however, the image was photographed from a computer monitor. Between each of the nine exposures, the lens of the camera and the "stage" on which the monitor was placed were moved. The image on the monitor was also changed to simulate the perspective change with a real-time object. Because the only light entering the camera was the soft glow of the computer monitor, a special, very fast film had to be used.