"Between 1971 and 1985, in particular, a number of LGAT groups gained large followings and subsequent notoriety and some are still active in the 1990s. LGAT groups included est and its offshoots such as Transformation Technologies and the Forum (Werner Erhard); Lifespring (John Hanley); Silva Mind Control (Jose Silva); Direct Centering (Gavin Barnes, aka Bayard Hora); Actualizations (Stewart Emery); ONE (Oury Engolz); Life Training (W.R. Whitten and K.B Brown); Movement of Spiritual Inner Awareness (MSIA) and Insight Seminars (John-Roger Hinkins); PSI World (Thomas D. Whilhite); and Arica Institute (Oscar Ichazo). This particular brand of New Age group gained significant access into the business world."