Psychologist Phil Zimbardo, famous for his exploration of evil in the Stanford Prison Experiment, turned his attention to heroism when he retired from teaching. His Hero Imagination Project teams up with Matt Langdon's Hero Construction Company to gather together all kinds of experts on heroism for conferences they call Hero Roundtables.

I've spoken at a couple of them. Here's San Francisco 2018. It's a summing up of the first 35 years of the Project's work – most of it now free to all, online.