Mary Grigoriadis (born June 23, 1942) is an American artist known for her paintings in the pattern and decoration movement.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Mary_Grigoriadis

Card for Mary Grigoriadis’ exhibition at A.I.R. Gallery, 1978
Artwork used: “Titus” / 1974 / Oil and acrylic on linen / 66″x66″

Mary Grigoriadis on the Accola Griefen Gallery web site: http://accolagriefen.com/artists/mary-grigoriadis

Further reading:
https://art.state.gov/personnel/mary_grigoriadis/
https://www.airgallery.org/mary-grigoriadis
https://www.makingtheirmark.org/mary-grigoriadis