if we weren’t smiling, these would look like FBI photos

From the event’s promotional materials.

Left to right: Dr. Zamalek, Siegfried Zielinski, Bruno Latour

Come to think of it, Latour’s almost does look like an FBI wanted photo. (“Wanted on suspicion of money laundering, conspiracy to commit money laundering, racketeering, fraud, extortion. Sometimes uses alias ‘Benno Latour.’ Last seen travelling in or near San Remo, Italy.”)