Who was the greatest melody writer?

Schubert, yes... and how about Chopin!? Chopin's 2 favorite composers were Bach and Mozart, so surely he was influenced. Here's a famous nocturne with an irresistible melody. a href="http://www.youtube.com/watch?v=YGRO05WcNDk" rel="nofollow"http://www.youtube.com/watch?v=YGRO05WcN…/a I wish he wrote an opera!