Pedagogisti By lferrari Period: 1859 to 1952 John Dewey Period: 1870 to 1952 Maria Montessori Period: 1878 to 1942 Korczak Period: 1879 to 1960 Adolphe Ferrière Period: 1879 to 1951 Maria Boschetti Alberti Period: 1883 to 1973 Alexander Neill Period: 1896 to 1966 Celestin Freinet Period: 1913 to 1999 Bejamin Bloom Period: 1913 to 1999 Benjamin Bloom Period: 1923 to 1967 don Milani Period: 1944 to 2019 Linda Allal Period: 1949 to 2019 Philippe Meirieu