The program was filled with activities, like a public-speaking workshop, in which participants designed advertisements, and a class for future archeologists, in which participants dissected owl pellets.
He devised a therapy system in which participants would berate each other mercilessly.
Generally, the best of them are the early ones, in which participants are more candidly caught.
Vallejo has organised several cacerolazos – protests in which participants bang pots and pans.
(This last one is a snippet from the Mudder Pledge, which participants recite before every race).
The current show, in which participants stop and engage visitors with intimate, personal stories, closes on 28 October.
Researchers checked to see which participants were still alive in 1998, and they noted when the others had died.
Last year, to test this theory, they conducted a laboratory experiment in which participants played a "cooperation game".
"We've already explored the so-called 'doppelgänger' delusion, in which participants suddenly see themselves enter the room," he adds.
Mr. Schwartz, a partner with S.W.S. Architects, leads workshops in which participants build Lego models of cities.
"Roll out the Landscape," a workshop in which participants sketch impressions of Wave Hill onto a paper movie scroll.
