"Psychedelic: Optical and Visionary Art Since the 1960s" work by Erik Parker http://www.google.com/imgres?imgurl=http://3.bp.blogspot.com/_UwEkl1xDxS0/Sl6hwqGwOzI/AAAAAAAADDg/os_H5n-D4ss/s400/artwork_images_587_464223_erik-parker.jpg&imgrefurl=http://lorraineglessner.blogspot.com/2009_07_01_archive.html&usg=___IV40lBsAFu0gNfkh3SST8WPkVU=&h=400&w=322&sz=63&hl=en&start=0&zoom=1&tbnid=LC3d_qOXj0XcAM:&tbnh=128&tbnw=103&prev=/images%3Fq%3Derik%2Bparker%2Bspace%2Bchase%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26sa%3DN%26rls%3Dorg.mozilla:en-USfficial%26biw%3D1360%26bih%3D549%26tbs%3Disch:1&um=1&itbs=1&iact=rc&dur=674&ei=GxnKTNCAIMOclge24cCjAQ&oei=_xjKTMzJFIP98Aagr5yEAQ&esq=7&page=1&ndsp=25&ved=1t:429,r:1,s:0&tx=70&ty=16 Frank Stella, Deborah Remington, Robert Williams, Fred Tomaselli, Victor Vasarely, Ray Rapp and Alex Grey http://www.google.com/imgres?imgurl...PiaAQ&esq=1&page=1&ndsp=24&ved=1t:429,r:0,s:0 i'm going, and IT'S FREE! http://www.google.com/imgres?imgurl...age=1&ndsp=12&ved=1t:429,r:0,s:0&tx=132&ty=42 http://www.google.com/imgres?imgurl...sWPAQ&esq=1&page=1&ndsp=20&ved=1t:429,r:2,s:0