Based on the critics' quotes:

1. The artist is likely a sculptor known for creating large metal figures.
2. The artist is probably a singer with a deep voice who specializes in slow, romantic songs.
3. The artist is likely a poet or lyricist known for their exceptional verses.
4. The artist is probably a writer known for writing captivating stories involving romance and mystery.
5. The artist could be a playwright or screenwriter known for their memorable lines in theater productions.
6. The artist is likely an author or biographer who has written about the life of a renowned scientist.