the_author,
the_author_description,
the_author_login,
the_author_firstname,
the_author_lastname,
the_author_nickname,
the_author_ID,
the_author_email,
the_author_url,
the_author_link,
the_author_icq,
the_author_aim,
the_author_yim,
the_author_msn,
the_author_posts,
the_author_posts_link,
list_authors,
wp_list_authors