Helen Babette Kapp (1901-1978) was a well-known painter, illustrator and engraver, sister of the artist Edmond Xavier Kapp. She was born in Hampstead to a German father and an American mother. She studied art at the Slade School, the Central School of Arts and Crafts and later in Paris. Kapp exhibited at the Royal Academy in 1940, and also with the London Group, Artists’ International Association and the Society of Wood Engravers. In 1951 Kapp was appointed director of the Wakefield Art Gallery (now the Hepworth Wakefield).