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Vor 17 Stunden · Werner Hans Erhard (born John Paul Rosenberg; September 5, 1935) [1] : 7 is an American lecturer known for founding est (offered from 1971 to 1984). [1] : 14 [2] In 1985, he replaced the est Training with a newly designed program, the Forum. [3] Since 1991, the Forum has been kept up to date and offered by Landmark Education. [4]
