John D. Rockefeller's story captures a pivotal moment in American history, documenting the dramatic post-Civil War shift from small business to the rise of giant corporations that irrevocably transformed the nation. With cameos by Joseph Pulitzer, William Randolph Hearst, Jay Gould, William Vanderbilt, Ida Tarbell, Andrew Carnegie, Carl Jung, J. Pierpont Morgan, William James, Henry Clay Frick,…