Helen Stuart Campbell (pen names, Helen Weeks, Helen Campbell, Helen Wheaton, July 5, 1839 - July 22, 1918) was an American author, economist, and editor, as well as a social and industrial reformer. She was a pioneer in the field of home economics. Her Household Economics (1897) was an early textbook in the field of domestic science. Her first literary work was a series of stories for children, which appeared between 1864 and 1870 in Our Young Folks and The Riverside Magazine, and in book form as the Ainslee Series, then, in rapid succession, she published: His Grandmothers (1877), Six Sinners (1878), Unto the Third and Fourth Generation (1880) and many others.