Alice Trumbull Mason (November 16, 1904-June 28, 1971) was a pioneering abstract painter and printmaker, and a founding member of the American Abstract Artists organization.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Alice_Mason
Meanderthal Roturns by Alice Trumbull Mason
1947 / Etching and aquatint / Image: 15-5/8″x9-5/8″ / MoMA, NYC
Alice Trumbull Mason on Artnet: http://www.artnet.com/artists/alice-trumbull-mason/