Question: Are W. E. B. Du Bois and Dan Simmons both writers?
Related documents: [0]  [DOC] William Edward Burghardt "W. E. B." Du Bois ( ; February 23, 1868 – August 27, 1963) was an American sociologist, historian, civil rights activist, Pan-Africanist, author, writer and editor. Born in Great Barrington, Massachusetts, Du Bois grew up in a relatively tolerant and integrated community. After completing graduate work at the University of Berlin and Harvard, where he was the first African American to earn a doctorate, he became a professor of history, sociology and economics at Atlanta University. Du Bois was one of the co-founders of the National Association for the Advancement of Colored People (NAACP) in 1909. [END] 
[1]  [DOC] Dan Simmons (born April 4, 1948) is an American science fiction and horror writer. He is the author of the Hyperion Cantos and the Ilium/Olympos cycles, among other works which span the science fiction, horror, and fantasy genres, sometimes within a single novel. A typical example of Simmons' intermingling of genres is "Song of Kali" (1985), winner of World Fantasy Award. He also writes mysteries and thrillers, some of which feature the continuing character Joe Kurtz. [END] 
Answer: 
yes
yes