Machine generated contents note: 1.Viola Spolin: Games as a Means toward Flow, Empathy, and Finding One's Truer Self -- 2.Del Close and the Harold: Improvisational Time and the Multiple Draft Modeled Mind -- 3.Keith Johnstone: Spontaneity, Storytelling, Status, and Masks, Trance, Altered States -- 4.The Improvising Mind: On Stage and in the Lab.