Sol LeWitt, Tower (Columbus), 1990 Concrete block 316 x 128 x 128 inches May 24 – December 2, 2011 Sol LeWitt (1928 – 2007) was one of America’s most inventive, prolific, and influential artists. He created significant bodies of work in two and three dimensions, including drawings, photographs, prints, and sculptures (known as “structures”). An originator of minimal and conceptual art in the 1960s, LeWitt helped to transform the artistic thinking of both his contemporaries [...]