He’s actually tried out a myriad of psychedelics and had a big role to play in synthesising psilocybin (I think he named that himself as well). He talks about a

He’s actually tried out a myriad of psychedelics and had a big role to play in synthesising psilocybin (I think he named that himself as well). He talks about all of this in his book which is pleasantly surprising and very well written. Would recommend.