<P>Sol LeWitt (1928-2007), one of the most influential artists of the twentieth century, upended traditional practices of how art is made and marketed. A key figure in minimalism and conceptualism, he proclaimed that the work of the mind is much more important than that of the hand. For his site-specific work—wall drawings and sculpture in dozens of countries—he created the idea and basic plan and then hired young artists to install the pieces. Though typically enormous and...
