Complex sentence: His work, largely influenced by 1960s underground comic artist Rory Hayes, was prominently featured in "RAW Magazine"; in fact, he was the only artist aside from founder Art Spiegelman to be published in every issue during its run.
Split into simpler sentences: His work, largely influenced by 1960s underground comic artist Rory Hayes, was prominently featured in "RAW Magazine". In fact, he was the only artist aside from founder Art Spiegelman to be published in every issue during its run.