the_author_ID()
Display the ID of the author of the current post.
WordPress 0.71 Hooks, Functions, Classes and Methods
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the_author_lastname()
Display the last name of the author of the current post.
the_author_login()
Display the login name of the author of the current post.
the_author_msn()
Display the MSN address of the author of the current post.
the_author_nickname()
Display the nickname of the author of the current post.
the_author_posts()
Displays the number of posts by the author of the current post.
the_author_url()
Display the URL to the home page of the author of the current post.
the_author_yim()
Display the Yahoo! IM name of the author of the current post.
the_category()
Displays category list for a post in either HTML list or custom format.
the_category_head()
Prints a category with optional text before and after.