deaths
July 20, 2009
Mark Rosenzweig, American psychologist and academic (born 1922)

Mark Rosenzweig (psychologist)
Mark Richard Rosenzweig was an American research psychologist whose research on neuroplasticity in animals indicated that the adult brain remains capable of anatomical remodelling and reorganization based on life experiences, overturning the conventional wisdom that the brain reached full maturity in childhood.