I'm pretty sure I have a picture of him up in Section 312 somewhere—I was down in the 200s one Opening Day, spotted him up there, and posted the photo to the forum. That would probably be the way to do it. It's fair to note that he worked for a large federal government agency, so the chances of someone knowing someone else are obviously questionable. (I'm deliberately not saying which one because it doesn't seem like it's my place to disclose that here.)