Color Plate D.
THE CONTRIBUTION OF DESMOND PAUL HENRY (1921–2004) TO TWENTIETH-CENTURY COMPUTER ART
D.P. Henry, Untitled, no. 500, Drawing Machine Two, 38 × 25.2 cm, black, blue and red biro on smooth white drawing paper; hand embellishments: black highlighting, single lines and background shading in ink; 1963. (© Elaine O'Hanrahan.) This image appears on page 50 of the exhibition catalogue for Cybernetic Serendipity (1968). (See article in this issue by Elaine O'Hanrahan.)