This document summarizes the contributions of several quality gurus: W. Edwards Deming, Joseph Juran, Philip B. Crosby, Tom Peters, and Kaoru Ishikawa. It describes their backgrounds and highlights some of their most important contributions to total quality management (TQM). Deming is known for his 14 points and system of profound knowledge. Juran developed the concepts of strategic quality management and quality planning. Crosby introduced the concepts of quality is free and zero defects. Peters emphasized customer orientation, leadership, and quality attributes. Ishikawa is renowned for developing quality circles.