A Teaching Memoir That Crosses the Barriers Between Worlds A shaman is one who has learned to move between two worlds: our physical reality and the realm of spirits. For John Lockley, shamanic training also meant learning to cross the immense divide of race and culture in South Africa. As a medic drafted into the South African military in 1990, John Lockley had a powerful dream. "Even though I am a white man of Irish and English descent, I knew...