They were not amused???at least not immediately.In addition to prefiguring Seinfeld, Klein is credited with nudging the whole post-modern world forward, shifting the artistic tide alongside such icons as Marcel Duchamps and Joseph Beuys, and well ahead of the performance and conceptual artists of latter half of the 20th century, including Andy Warhol, Cindy Sherman, John Cage, Yoko Ono, Lady Gaga,