Dame Elizabeth Violet Blackadder, Mrs Houston, DBE, RA, RSA was a Scottish painter and printmaker. She was the first woman to be elected to both the Royal Scottish Academy and the Royal Academy. In 1962 she began teaching at Edinburgh College of Art where she continued until her retirement in 1986.
Additional paintings and information can be found here.
https://www.tate.org.uk/art/artists/elizabeth- blackadder-760