Here's Aubrey de Grey autographing a book for a conferencegoer:
And de Grey wasn't the only fellow sporting such ample facial hair; here's an attendee:
These beard photos might make you wonder about the demographics of the conference. Judge for yourself:
Not that there were no women's faces to be seen. The presentation by Juergen Schmidhuber gave us a big one:
There was only one woman presenter at the conference, Anna Salamon — although she got to speak both first and last. Here she is chatting with a conferencegoer.
And next, a shot of a woman attendee: Ilana Pregen, asking the question that Brad Templeton so brusquely dismissed.
Stay tuned for more conference wrap-up today.