Shakespeare once pondered "What’s in a name?" and according to Google: everything. Over the past few months, pictures have been appearing in search results with a snippet of text, linking content to individual authors. Authorship is a new Google asset, giving credit to authors and providing analytics for that content in search. The power of this new tool is undeniable; there are potential ranking benefits, it helps builds brand awareness and overall author rank. Also, links with authorship are more likely to attract clicks, the end goal of everyone with a website.
To set up your Authorship you must first have a Google+ profile, and then follow the simple instructions here: https://plus.google.com/authorship