RIP Freeman Dyson...a legendary mind.

"I grew up in the '30s, which was a really black time. Having survived that, you can never really take pessimism seriously."

Here's his chat with former SFI trustee @stewartbrand (@longnow) for @WIRED:https://t.co/JS2cIpjlFZ#solarpunk pic.twitter.com/omuHLpbfCm

— Santa Fe Institute (@sfiscience) February 28, 2020