Pioneers of psychedelic art: an appreciation of Bonnie MacLean and Wes Wilson January 2, 2020 Scott B. Montgomery The worlds of psychedelic posters, the history of art, and the counterculture suffered a major blow early this year with the passing, within just days of one another, of two of the formative and su... DOI: 10.1080/17541328.2020.1752075 (opens in new tab) Full text (opens in new tab)