[Maria de Unterrichter Jervolino, President of the Opera Nazionale Montessori, with Hon. Antonio Segni, Minister of Public Education, in the center, observing Anna Maria Maccheroni, a pupil of Maria Montessori, demonstrating the use of bells for musical education. National Montessori Congress, Naples, 1952] – ONM Archive.

Category: Personalities of the Montessori movement