Priscilla Warren Roberts (June 13, 1916-August 5, 2001) was an American painter known as a magic realist, but whose work sometimes approached surrealism.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Priscilla_Roberts

Self-Portrait by Priscilla Roberts
1946 / Oil on masonite / 29-7⁄8″x14-1⁄8″ / Smithsonian American Art Museum, DC

Priscilla Roberts on Artnet: http://www.artnet.com/artists/priscilla-warren-roberts/

Further reading:
http://antiquesandfineart.com/artists/bio.cfm?id=173277
https://www.hirschlandadler.com/galleries/priscilla-roberts
https://americanart.si.edu/artist/priscilla-roberts-5943