Digital Object Maria and Mario Montessori, 1915, USA Maria and Mario Montessori photographed with Adelia Pyle (translator) and students from the 3rd International Montessori Training Course held in San Fransisco, California. The course was held during the Panama–Pacific International Exposition. A Montessori …
Digital Object Maria Montessori, 1915, San Francisco with Adelia Pyle Maria Montessori delivering a lecture in California at the Panama Pacific International Exposition. To the right is Adelia Pyle, Maria Montessori's translator.
