The Shewhart chart is named after Walter A. Shewhart (1891-1967), a physicist at the Bell Telephone Laboratories, who introduced the method in 1924 and elaborated upon it in his book Economic Control ...
DIED. W. EDWARDS DEMING, 93, American industrial-efficiency expert and guru of the postwar Japanese economic miracle; in Washington. Deming was a modern illustration of the biblical truth that a ...