Herbert Blau (1926–2013) was an American director and theoretician of performance. His manifesto for “the Impossible Theater” was published by Macmillan in 1964.
Shown here is the cover of the paperback edition by Collier from 1965, which uses an adaptation of the original jacket design. Designer Janet Halverson filled the entire “stage” with all-caps Anzeigen-Grotesk in three colors.