Incredibly, in two years she painted over sixty paintings of breathtaking quality. Indeed, her legacy was built on these works so that toda she is generally regarded as the second greatest naive painter (Rosseau is, of course, the first).

She was sent to a concentration camp when the US entered the war. She couldn't paint as she was given only pencil to work with but drew the suffering of her fellow inmates to powerful effect.

When she was released she stopped painting and drawing. He relapsed into her old illness.