#477 - Dennis McKenna & Joshua Wickerham
![The Joe Rogan Experience #477 - Dennis McKenna & Joshua Wickerham](https://static.libsyn.com/p/assets/4/0/8/c/408ccf2ebdacb2bd/JRE477.jpg)
March 28, 2014
Dennis McKenna is an ethnopharmacologist, author, and brother to well-known psychedelics proponent Terence McKenna. Joshua Wickerham is the chief advisor to the ESC, Ethnobotanical Stewardship Council.
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