Who was Apollos, known within the early church?

An eloquent Christian preacher and teacher

Who starred in the 2005 movie adaptation of 'Pride and Prejudice' as Elizabeth Bennet? Who recorded the song "Hey Ya!"? Who is the frontman of Metallica? What famous New York immigration station processed millions of immigrants entering the U.S. between 1892 and 1954? What spice gives yellow mustard its color?