 In his book "The New Economics for Industry, Government, and Education" Deming championed the work of Walter Shewhart, including statistical process control, operational definitions, and what Deming called the "Shewhart Cycle," which had evolved into Plan-Do-check-Act (PDCA).Deming is best known for his work in Japan after WWII, particularly his work with the leaders of Japanese industry.That work began in July and August 1950, in Tokyo and at the Hakone Convention Center, when Deming delivered speeches on what he called "Statistical Product Quality Administration".