Google is the world's biggest search engine, and the company wants to maintain this lead. While the core design of the search engine hasn't evolved or grown more bloated, the company regularly changes things and adds more functionality.
Their most recent change concerns human results, seemingly linking more closely with Wikipedia than ever before. We've all plugged a search into Google just so we could get the Wikipedia result, haven't we? This is only making that easier.
You'll notice the additional clarification, letting you decide between the famous artist or the museum named in his honor. Either way, clicking those results seems to make the first search result the relevant Wikipedia page. The idea might still be rolling out because I didn't notice it earlier today, and some of the name coverage is a little patchy.
You'll notice that the results link in both men named Strauss, but the Stalin result doesn't have the same addition. It's a minor thing at best, and it might help you discover interesting figures from history. The idea should be good if you're a frequent Wikipedia user.
So far it seems to work in all major browsers, but not in the Chrome omnibox. This might arrive in coming days, but since Chrome can set Wikipedia as a search engine within the omnibox it might not be entirely necessary.