Authorship markup is no longer supported in Google Search.
We almost know Google has been enhancing the search experience and start to show author information along with the search results to attribute the content authors / publishers. You got to know what Google Authorship is all about in that blog post. The authorship markup is very easy to implement, but yet it may tremble some users as it involves with editing the template or theme files. I know, some users don't wanna touch any technical details at all. Are you one of them?