African-American scholars have cited James Weldon Johnson's 1927 book of poems, "God's Trombones: Seven Negro Sermons in Verse" as one of the author's most notable works. Johnson, who is best known for his 1912 work, "The Autobiography of an Ex-Colored Man", was an American writer and civil rights activist born in Jacksonville, Florida in 1871. As a leader of the National Association for the Advancement of Colored People, Johnson helped to bring...