Walter N. Pahnke

Walter Norman Pahnke was a minister, physician, and psychiatrist most famous for the "Good Friday Experiment", also referred to as the Marsh Chapel Experiment or the "Miracle of Marsh Chapel". Pahnke attended Harvard in the early 1960s, and on April 20, 1962, Pahnke conducted the "Good Friday Experiment" as part of his Ph.D. thesis in Religion and Society under his thesis advisors Timothy Leary and Richard Alpert (Ram Dass).