untitled (to Jan and Ron Greenberg), 1972–73. Yellow and green fluorescent light, edition 1/3, 8 ft. (244 cm) high, in a corridor measuring 8 ft. (244 cm) high hand 8 ft. (244 cm) wide; length variable. Solomon R. Guggenheim Museum, New York,Panza Collection, 91.3708. © 2012 Stephen Flavin/Artists Rights Society (ARS). Installation view: drawings and diagrams from Dan Flavin 1963-1972; corners, barriers, and corridors in flourescent light from Dan Flavin, St. Louis Art Museum, Missouri, January 26–March 11, 1973
