Eleanore Mikus (July 25, 1927-September 6, 2017) was an American painter, printmaker, and educator whose work had a strong emphasis on material and experimentation.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Eleanore_Mikus

Untitled by Eleanore Mikus
1967 / Rose cloth and rubber bands on board / 8-1/4″x6-1/4″ / Private collection
Eleanore Mikus on Artnet: http://www.artnet.com/artists/eleanore-mikus/
Further reading:
https://hyperallergic.com/356145/perhaps-eleanore-mikus-will-not-be-under-recognized-anymore/
https://www.cartermuseum.org/exhibitions/meditations-eleanore-mikus-tamarind
https://blantonmuseum.org/2017/09/a-life-in-tablets-eleanore-mikus/