Howells and the NAACP

From "Happy 100th Birthday NAACP" by Michael Henry Adams (illustrated essay at The Huffington Post):

Racially and socially diverse, early members of the resulting organization included Joel and Arthur Spingarn, Josephine Ruffin, Mary Talbert, Inez Milholland, Jane Addams, Florence Kelley, Sophonisba Breckinridge, John Haynes Holmes, Mary McLeod Bethune, George Henry White, Charles Edward Russell, John Dewey, William Dean Howells, Lillian Wald, Charles Darrow, Lincoln Steffens, and Ray Stannard Baker.