 Clifford Allen, who had been created 1st Baron Allen of Hurtwood in 1932, died in 1939, and Lady Allen threw herself into her work, also becoming interested in the welfare of children.Her campaigning for children in institutional care led to the passing of the Children Act 1948.She was chairman (1942–1948) and president (1948–1951) of the Nursery School Association of Great Britain, founder president of the World Organisation for Early Childhood Education, a member of the Central Advisory Council for Education (1945–1949), and chairman of the Advisory Council on Children's Entertainment Films (1944–1950).