The Americans with Disabilities Act (ADA) was signed into law in 1990 and is a comprehensive civil rights law that prohibits discrimination against individuals with disabilities.

Accessibility refers to the process of making a place or service accessible to people with disabilities.

Judy Heumann is a disability rights activist who has worked extensively to advocate for the rights of people with intellectual disabilities.

The World Institute on Disability (WID) was founded by Ed Roberts in 1972 and is a non-profit organization that works to promote the rights of people with disabilities.

Ed Roberts was a disability rights activist who worked extensively to advocate for the rights of people with physical disabilities.

The American Association of People with Disabilities (AAPD) was founded by Justin Dart in 1982 and is a non-profit organization that works to promote the rights of people with disabilities.

Helen Keller was a disability rights activist who worked extensively to advocate for the rights of people with sensory disabilities.

The Disability Rights Education and Defense Fund (DREDF) was founded by Ralph Nader in 1970 and is a non-profit organization that works to promote the rights of people with disabilities.

Elyn Saks is a disability rights activist who has worked extensively to advocate for the rights of people with psychiatric disabilities.

The Saks Institute for Mental Health Law, Policy, and Ethics was founded by Elyn Saks in 2009 and is a non-profit organization that works to promote the rights of people with psychiatric disabilities.

Toni Bernhard is a disability rights activist who has worked extensively to advocate for the rights of people with chronic illnesses.

The Bernhard Center for Chronic Illness was founded by Toni Bernhard in 2008 and is a non-profit organization that works to promote the rights of people with chronic illnesses.

Larry Bissett is a disability rights activist who has worked extensively to advocate for the rights of people with learning disabilities.

The Bissett Center for Learning Disabilities was founded by Larry Bissett in 1987 and is a non-profit organization that works to promote the rights of people with learning disabilities.

Anne Donnellan is a disability rights activist who has worked extensively to advocate for the rights of people with developmental disabilities.

The Donnellan Center for Developmental Disabilities was founded by Anne Donnellan in 1985 and is a non-profit organization that works to promote the rights of people with developmental disabilities.