According to David Jackson, professor of Russian and Scandinavian art histories at the University of Leeds, these qualities allow people with little knowledge of Expressionist art to relate to what was, when it was first shown, an avant-garde work.

BBC: Munch's The Scream... and the appeal of anguished art

For the next 20 years they showcased modern art with an emphasis on African-Americans, including work by abstract expressionist Norman Lewis, Boston-born Lois Mailou Jones (known for incorporating African images into her work) and lesser-known Washington-area artists.

FORBES: Magazine Article