 In 1999, Wolfensberger was selected by the National Historic Preservation Trust on Mental Retardation as one of 36 parties that had the most impact on mental retardation worldwide in the 20th century.Wolfensberger was identified in 2004 and again in 2008 in the ISI Web of Science database as the author of the most frequently-cited article in Mental Retardation (i.e., Wolfensberger, 1983), the journal of what was then the American Association on Mental Retardation, and is now the American Association on Intellectual and Developmental Disabilities.In 2008, Wolfensberger's work on normalization and SRV was identified by Exceptional Parent Magazine as one of “the 7 wonders of the world of disabilities” (Hollingsworth and Apel, 2008).