Podcast:The Joe Rogan Experience Rating: Explicit Published On: Wed Feb 19 2020 Description: Brian Greene is a theoretical physicist, mathematician, and string theorist. He has been a professor at Columbia University since 1996 and chairman of the World Science Festival since co-founding it in 2008. His new book "Until the End of Time" is now available: https://amzn.to/2ug680o Learn more about your ad choices. Visit podcastchoices.com/adchoices