Some people I like to think about from time to time. for a variety of reasons.
Listed alphabetically.
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Stephen Buhner
http://www.gaianstudies.org/Stephen.html
Jay Dyer
https://wikispooks.com/wiki/Jay_Dyer
Bruce Frantzis
https://en.wikipedia.org/wiki/Bruce_Frantzis
Lierre Keith
https://en.wikipedia.org/wiki/Lierre_Keith
Mary Midgely
https://en.wikipedia.org/wiki/Mary_Midgley
Terence McKenna
https://en.wikipedia.org/wiki/Terence_McKenna
George Monbiot
https://en.wikipedia.org/wiki/George_Monbiot
Paul Craig Roberts
Peter Sjöstedt-H
https://www.youtube.com/channel/UCgAr9cQfXRHbiJxV236NKow
Colin Tudge