The most influential person in modern quality control was an American who was a hero in Japan but virtually unknown in the United States. W. Edwards Deming worked with Shewhart at Bell Labs and helped apply Shewhart’s ideas to American manufacturing processes during World War II. Following the war, American factories returned to the production of consumer goods. Many of the other major manufacturing centers in the world had been damaged by bombing during the war and took time to recover. Without the safety needs of wartime and with little competition, quality control was not a high priority for American companies. 1 Management in the United States focused on increasing production to meet demand and lowering costs to increase profits.
After the war, while the United States occupied Japan, Deming was asked by the U.S. Department of the Army to assist with the statistics of the 1950 census in Japan. Kenichi Koyanagi, the managing director of the Union of Japanese Scientists and Engineers and a very influential industrialist, asked Deming to speak to twenty-one top industrial leaders on the topic of global strategy for Japanese industry. Deming went beyond Shewhart’s work and talked about his philosophy of quality manufacturing and how the responsibility for quality begins with management. He explained that a corporate culture devoted to producing high-quality products would result in less waste, lower costs, greater client loyalty, and greater market share. With Koyanagi’s support, Deming’s ideas were widely adopted by these influential leaders.
Deming described his philosophy as a system of profound knowledge, which has four parts:
- Appreciation of a system. Understanding how suppliers, producers, and clients interact
- Knowledge of variation. Understanding statistical variation
- Theory of knowledge. Understanding what can be known and what cannot
- Knowledge of psychology. Understanding human nature
In 1950, the Japanese created the Deming prize in Deming’s honor, which is awarded to an individual and a company for major advances in quality improvements. In 1960, Deming was awarded the Order of the Sacred Treasure, Second Class by the Prime Minister on behalf of Emperor Hirohito.
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