
1988
Joseph Kosuth, The Square Root of Minus One, 1988. Screenprint on glass and neon, overall: 88 × 164 × 15 in. (223.5 × 416.6 × 38.1 cm). Whitney Museum of American Art, New York; gift from the Emily Fisher Landau Collection 2017.226. © Joseph Kosuth/Artist Rights Society (ARS), New York