race loretta lynch misty copeland african-american black history month notable people firsts halle berry barrington irving jr. joycelyn elders tiger woods eric holder sophia danenberg rita dove maurice ashley cheryl boone isaacs ruth simmons vonetta flowers shani davis toni morrison robert johnson sharon pratt willy t. ribbs lisa perez jackson tyler perry colin powell condoleezza rice whoopi goldberg mike carey mae jemison barbara hillary american history