Esther Worden Day (June 11, 1912-January 27, 1986) was an American painter, printmaker, sculptor, and curator.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Worden_Day

Now Flowing by Worden Day
1956 / Color woodcut on paper / 9″x7-1/16″ / RISD Museum, Providence, RI

Worden Day on Artnet: http://www.artnet.com/artists/worden-day/

Further reading:
https://www.annexgalleries.com/artists/biography/532/Day/Worden
https://atelier17.christinaweyl.com/artist-biographies/worden-day/
https://www.aaa.si.edu/collections/worden-day-papers-9297