A Tribute to Mark Hallett, MD (1943–2025)

High School in Lower Merion Township, Pennsylvania, where he was elected senior class president.He then attended Harvard College, initially intending to study astronomy.But after learning about the controversial experiments with psilocybin conducted by psychology professor Timothy Leary and his colleagues, he became interested in the function of the human brain, and graduated Magna Cum Laude as a Biology major in 1965.