Edgar Dale (April 27, 1900, in Benson, Minnesota, – March 8, 1985, in Columbus, Ohio) was an American educator who developed the Cone of Experience, also known as the Learning Pyramid.
He made several contributions to audio and visual instruction, including a methodology for analyzing the content of motion pictures.
[1] His doctoral thesis was titled "Factual Basis for Curriculum Revision in Arithmetic with Special Reference to Children's Understanding of Business Terms.
[5] In 1933, Dale wrote a paper on how to effectively create a high school film appreciation class.
[7] Dale's "Cone of Experience," which he intended to provide an intuitive model of the concreteness of various kinds of audiovisual media, has been widely misrepresented.