rel-author

Scope

rel="author" is created for "tagging" persons, typically give them credit for their work (or portions of it, like books, articles, blog posts etc).

Implementations

This section is informative.

An interesting rel="author" implementation set of examples is brought up by Google through a series of Videos posted on Youtube: Authorship markup and the respective implementation procedure. The Authorship markup using URL parameters and the new implementation procedure with the help of Google Profile (and hopefully, this type of implementation can be used on any other personal BIO page of respective author).