Ruth Alice Gilbert (September 7, 1926 – June 6, 2015) as stage name Ronnie Gilbert, was an American folk singer, songwriter, actress and political activist.
She was one of the original members of the music quartet the Weavers, as a contralto with Pete Seeger, Lee Hays, and Fred Hellerman.
Author: User:Robert Bruce Livingston Source: Own work (original: Photo by Robert B. Livingston taken August 5, 2006 at Dance Mission, 3316 24th Street, San Francisco) License: PD-user