An American author noted for his work that informs gardeners about poppy cultivation and its potential uses. In Pollan's article, he becomes an illustrative figure in discussions about drug laws and enforcement.

A Native American leader noted for advocating the use of peyote as a healing tool and ceremonial practice. His efforts contributed significantly to the formation of the Native American Church.

An American anthropologist admired for his dedication to documenting and preserving Native American cultural practices. He advocated for the survival of these traditions amid government pressures to assimilate Indigenous peoples.