Stanislave Grof is one of the founders of the field of transpersonal psychology and a pioneering researcher into the use of altered states of consciousness for purposes of healing, growth, and insight. Grof received the VISION 97 award granted by the Foundation of Dagmar and Vaclav Havel in Prague on October 5, 2007. He developed a form of psychotherapy called Holotropic Breathwork believed to allow access to nonordinary states of consciousness.