#672466Alexei Leontyev, academician at the USSR Academy of Pedagogical Sciences.Sign in or register,to downloadAdd to cartRemove from cartCategories: EducationLocation: Moscow, RussiaEvent date: 09.05.1974Date published: 23.05.2010Credit: SputnikSource: SputnikOriginal: J74-4785, 6x7 filmMedia: JPEG, 3543x5158px, 2.2Mbportraitscientistteacher