SIOE 2019 conference.

Animated discussion during the 2009 conference.

Helping hands at the SIOE conference.

Reception at the Toronto conference.

Jaan Tallinn and Joel Leibo in discussion.

SIOE 2019 conference.

Friends and colleagues at the 2009 conference.

Raffaella Sadun presenting at SIOE.

Daniel Berkowitz at SIOE 2017.

Four presidents of SIOE together.