one of the ... vs. the one of...

[syflysun1]

He is (only) one of the persons who bake spectacular cakes

He is the (only) one of the persons who bakes spectacular cakes

these two are correct?

[RonPurewal]

He is (only) one of the persons who bake spectacular cakes

He is the (only) one of the persons who bakes spectacular cakes

these two are correct?

yes. correct.

i wrote an enormous post on this topic at another forum; see here:
http://www.beatthegmat.com/one-of-the-t ... tml#174075

(normally i don't cross-post between different forums, but it would take an absolutely unreasonable amount of time to reproduce the content of that post over here.)