EntityQ117653· pop 7· linked from 1 articlesHans AebliSign in to saveeducationist (1923-1990)ConnectionsSwitzerlandCountryZurichEntitytheoryEntityevolutionary psychologyEntityBurgdorfEntityHistorical Dictionary of SwitzerlandEntityCategories1923 births1990 deaths20th-century educational theoristsBiography articles needing translation from Spanish WikipediaSwiss educational theorists