ULL-F-872584-0000 The educator Maria Montessori (1870-1952), founder of the educational system that bears his name Credit: Ullstein Bild / Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Date of photography: 1930 People: Montessori Maria (pedagogist) Collection: Ullstein Bild / Alinari Archives Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 2681 X 3507 Image sizes (cm at 300 dpi): 22 X 29 Image sizes (MB): 5.06 Color space: RGB