Beyond Colour Field: Helen Frankenthaler makes her mark in later works

History has a way of tethering artists to dates. In this way, the late Helen Frankenthaler is tied to 1952, when she invented the soak-stain method. Pouring paint thinned by turpentine directly onto raw canvas, she created pools of luminous colour in works such as Mountains and Sea (1952), which inspired the Color Field movement. Less is known of her later work. But, a new exhibition aims to show that she continued to be an inventive artist through the six-decade career that followed, says the c