While at Hawthorne, Shewhart met and influenced W Edwards Deming who went on to champion Shewhart's methods.
4,
5 Joseph Juran also worked at Hawthorne from 1924 to 1941 and was influenced by Shewhart. Shewhart, Deming, and Juran are often considered to be the three founders of the quality improvement movement. Two of Shewhart's contributions continue to influence the daily work of quality—namely, control charts and the Plan–Do–Study–Act (PDSA) cycle.