In the early nineties, Dr. Jacobo Grinberg’s career was blooming and he gained lots of international credit as a researcher in the fields of telepathy and neurophysiology at the Universidad Nacional Autonoma de Mexico. When Dr. Grinberg mysteriously disappears in … Sperry Andrews, Sam Quiñones, Toni Karam, Estusha Grinberg, Jerry Grinberg, Ruth Cerezo, Lizette Arditti Added on Amazon Prime 2023-09-21.