Crossword clues for the word: PETERMAX The word PETERMAX has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for PETERMAX Showing 1 to 4 of 4 results Clue(s) """Cosmic"" artist of '60s and '70s psychedelia" Artist on the cover of a 1969 Life magazine Psychedelic artist whose work appeared on a postage stamp Woodstock '99 poster designer