Canadian-born Agnes Martin was one of the pre-eminent painters of the second half of the 20th century, whose work has had a significant influence both on artists of her own time and for subsequent generations. A contemporary of the abstract expressionists though often identified with minimalism, Martin was of the few woman artists who came to prominence in the predominately masculine art world of the late 1950s and 1960s, and became a particularly important role model for younger women and artists. This survey provides and overview of Martin's career, from lesser-known early experimental works through her striped and grided grey paintings and use of colour in various formats, to a group of her final works that reintroduce bold forms. A selection of drawings and watercolours is also included.