Echo: Number 25, 1951 Jackson Pollock (American, 1912-1956) 1951. Enamel paint on canvas, 7' 7 7/8" x 7' 2" (233.4 x 218.4 cm). Acquired through the Lillie P. Bliss Bequest and the Mr. and Mrs. David Rockefeller Fund. © 2012 Pollock-Krasner Foundation / Artists Rights Society (ARS), New York 241.1969