If you search for the famous photographer on Google, [terry richardson] you will see the knowledge graph come up and give a nice accurate description of the photographer. But the picture, well, you will see a picture of the President of the United States of America, Barack Obama.
Why is the picture of Barack Obama showing up for a search for Terry Richardson?
Well, Terry Richardson took some well-known photographs of the President. In fact, the picture shown in his knowledge graph is one of the pictures taken by Terry Richardson of President Barack Obama.
This specific one is sourced from leveledmag.com but you can see many of those pictures come up for a search in Google Image search for [terry richardson].
Google is now aware of the issue, as someone reported it in the Google Web Search Help forums. Google's Nealeigh said, "thanks so much for reporting this. I've notified the team and they'll correct the image shortly."
Forum discussion at Google Web Search Help.