The artist Sol Le Witt in his loft apartment in Manhattan, July 28, 1961. (photo Neal Boenzi/The New York Times)

Mr. LeWitt's large-scale drawing work is on display at Dia: Beacon in New York. Here, "Wall Drawing #273: Lines to points on a grid," 1975. (photo Tony Cenicola/The New York Times)

A detail from "Wall Drawing #1211: Drawing series-Composite, Part I-IV, #1-24, A+B," 1968/2006. (photo Tony Cenicola/The New York Times)

Another detail from a piece in the "Wall Drawing" series. (photo Tony Cenicola/The New York Times)

A broader view at Dia. (photo Tony Cenicola/The New York Times)

"Inverted Six Towers" (1987) (PaceWildenstein, New York)

"Four Sided Pyramid" (1999) (Paul J. Richards/Agence France-Presse-Getty Images)

"Splotches" (2005), part of the exhibition "Sol LeWitt on the Roof: Splotches, Whirls and Twirls" on the roof of the Metropolitan Museum. (Marilynn K. Yee/The New York Times)

Two works on display at the Whitney. (Librado Romero/The New York Times)

Mr. LeWitt, left, examining the installation of his work for a retrospective at the Whitney Museum of American Art in 2000. (Librado Romero/The New York Times)

A view of several of Mr. LeWitt's wall drawings at the Whitney. (Librado Romero/The New York Times)

Lire l'article "Parting Thoughts From a Master of the Ephemeral" de Roberta Smith http://www.nytimes.com/2007/04/21/arts/design/21lew.html?ex=1334808000&en=e73869248e3a7b5f&ei=5088&partner=rssnyt&emc=rss