Agnes Martin
American, born Canada, 1912-2004
![](/sites/default/files/styles/slideshow_small/public/2016-08/Agnes%20Martin.jpeg?itok=IB_H-OZW)
Mildred Tolbert's Untitled (Agnes Martin in Her Studio), ca. 1955. Collection of The Harwood Museum of Art, Courtesy Mildred Tolbert Archives.