Ever hear of a “Jollytologist”? Well, meet the world’s one and only—Allen Klein. Through his books and his presentations, Klein shows people worldwide how to use humor to deal with everything from traffic jams to tragedies. He is an award-winning professional speaker and a best-selling author of 25 books, including The Healing Power of Humor; Learning to Laugh When You Feel Like Crying; and You Can’t Ruin My Day. In this entertaining interview, discover why comedian Jerry Lewis has said that Allen is “a noble and vital force watching over the human condition.”