Fig. 1From: Characterization of Haku Maki prints from the “Poem” series using light-based techniquesPrints by Haku Mak. a Poem 71–29, 1970, IMA#2013.419, 10.5″ × 7.25″, b Poem 70–90, 1970, IMA#2013.418, 6.5″ × 4.75″, c Poem 70–70, 1970, IMA#2013.417, 6.5″ × 4.5″, and d Poem 71–61, 1971, IMA#2013.420, 17.24″ × 10.5″. Gifts of Donald A. and Loryne M. Coffin. White efflorescence is visible in the black fields of a. Photos courtesy of IMABack to article page