The World Mourns the Passing of Judy Heumann, Disability Rights Activist Posted on March 7, 2023 by Jacki SIL is greatly saddened by the passing of Judy Heumann, widely regarded as “the mother” of the disability rights movement. The World Mourns the Passing of Judy Heumann, Disability Rights Activist – Judy Heumann (judithheumann.com)