 She returned to school, earning an M.S.in educational psychology in 1957 from Michigan.Starting in the 1970s following the decision of "Honeywell v. Sperry Rand", the federal court case that invalidated the ENIAC patent, she and husband Arthur championed the work of John Vincent Atanasoff, the Iowa State College physics professor whom the court had ruled invented the first electronic digital computer (a machine that came to be called the Atanasoff–Berry Computer) and from whom the subject matter of the ENIAC was ruled to be derived.