Robert Masters
A leading pioneer of modern consciousness research, Robert Masters (1927–2008) is known as one of the founders of the Human Potentials Movement.
He was the Director of Research of the Foundation for Mind Research. He developed the psychophysical method, a process of neural and sensory re-education, and tutored such notables as Margaret Mead.
He authored or co-authored 25 books and more than 100 papers and articles describing his researches into the varieties of human behavior and potentials, including the classics The Varieties of Psychedelic Experience and Mind Games.