One of the most important and controversial figures in the history of race relations in America and the world at large, Marcus Garvey was the first great black orator of the twentieth century. The Jamaican-born African-American rights advocated dismayed his enemies as much as he dazzled his admirers. Of him, Martin Luther King, Jr., said, "He was the first man, on a mass scale and level, to give millions of Negroes a sense of dignity and destiny,...