[American Avant-garde] Cage, John. (1912–1992) Typed Manuscript on Henry CowellFour single spaced typed paragraphs on a single page, signed "John Cage" above the typed line "Copyright c 1964 by John Cage," with 1 pencil correction in the text. Folded twice for mailing, overall very good. The theme of Cage's piece on Cowell is "The Impossible Is the Possible". He writes that in the sixties "advances in technology were paralleled by advances in imagination and vision. Often these did not come together at all." Thus when Cowell