In respect to quality of materials, there are three well known philosophers whom are most referenced: W. Edwards Deming, Philip B. Crosby, and Joseph M. Juran. Throughout the twentieth century, these three men have continuously integrated new systems for improvement in the quality system. The first and probably most well known of these philosophers is W. Edwards Deming. Deming first came into the public eye when he was credited with assisting the Japanese after World War II and helping to elevate the Japanese industry into the forefront of world industry. Deming stresses that the most important part of quality is the ro