Tuesday night banquet of 31st International Conference of the System Dynamics Society, July 23, 2013.
At the banquet, System Dynamics founder Jay Forrester gets a surprise birthday cake in the shape of the World Dynamics model. Professor Forrester turned 95 on July 14.

World Dynamics model birthday cake for Jay Forrester, 2013 International System Dynamics Conference, Cambridge MA

Jay Forrester’s World Model from World Dynamics, 1971

MIT Professor John Sterman efficiently gets rid of pollution (by eating it) from the World Dynamics model
More photos coming soon.
Unofficial photos by David Liu. As always, if you don’t like any photo of yourself, just let me know, and I’ll remove it, no questions asked.
happy befday to the “man”… i really love system dynamics and the potential it holds for the world
Happy Birthday