By Henry Louis Gates, Jr. Renowned scholar Dr. Henry Louis Gates Jr., W.E.B. DuBois professor of the Humanities and chair of African and African-American Studies at Harvard University, takes Alex Haley’s Roots saga to a whole new level. Using genealogy and DNA science, Dr. Gates tells the personal stories of eight accomplished African Americans, tracing their roots through American history and back to Africa. Participants include Dr. Ben Carson, Whoopi Goldberg, Bishop T.D. Jakes, Dr. Mae Jemison, Quincy Jones, Dr. Sara Lawrence-Lightfoot, Chris Tucker and Oprah Winfrey. PBS (2006), English, DVD, Rated: NR (Not Rated), Run Time: 240 minutes.