But there are no classes or art supplies where Mr. Johnson is held, and his powerful, largely abstract paintings are something different.

Some of the most powerful paintings of his career, including Indian Summer, were painted in Centerport.

Notable, too, is the assembly of powerful paintings that reflect the civil rights conflict.

Punctuating those walls are powerful windowlike paintings of giant flowers against blue skies and clouds.

"It's one of the most tragic, powerful paintings," said John Richardson, the Picasso biographer.

The struggle for transcendence seems to emerge in "Comet" - a powerful 1970 painting in the Guild Hall show.

He used these experiences as the subject matter for a series of powerful paintings which used Futurist techniques to great effect.

One can only understand the tragic plight of this extremely powerful painting when one visits the palace.

I think it's the most powerful painting in the country.