Key Figures in Counterculture: Timothy Leary

In the late 1960s, the counterculture movement in America became a palpable force, influencing not just individual lifestyles but also art, music, and political activism. Among the various figures emerging from this movement, one individual became particularly emblematic through their writings and public persona, advocating for both psychedelic experiences and communal living as alternatives to mainstream American values. This individual's philosophy was intertwined with criticisms of consumerism, war, and conformity. Which of the following individuals is most commonly associated with popularizing the counterculture's ideals during this period?