Elaine Aron is a psychologist and author best known for her research on highly sensitive people (HSPs). She introduced the concept of high sensitivity in her book, "The Highly Sensitive Person," published in 1996. Her work has helped many individuals understand their sensitivity as a personality trait rather than a flaw. Aron has conducted extensive studies on the psychological and biological aspects of sensitivity. She co-founded the Highly Sensitive Person website and has contributed to various publications, promoting awareness and acceptance of HSPs in society. Her research has influenced both psychology and self-help fields.