What Role Does Geography Play in Beer's Evolution? Two Professors Explore the Answer in a New Book

It was the third photo shown here, the goat is at the bottom.

In the first photo above, that looks like well known Boulder resident Charlie Papazian doing a photo bomb- maybe I’m putting to much into that?

 

My first thought, as well.

 

Yup, and the next photo on Boulder's website kinda confirms it (center left, same outfit so likely the same day).

(and, of course, that's Fred Eckhardt, seated, opposite him and, partial, Michael Jackson, peeking in the bottom left).