/ in research / Biography Philip Crosby was a businessman and author and is recognized as an influential quality guru. He is best known for the quality management concepts Quality is Free, Zero Defects, and the Four Absolutes of Quality.. Book Philip Crosby was a businessman and author and is recognized as an influential quality guru. He is best known for the quality management concepts Quality is Free, Zero Defects, and the Four Absolutes of Quality.. Video Philip Crosby was a businessman and author and is recognized as an influential quality guru. He is best known for the quality management concepts Quality is Free, Zero Defects, and the Four Absolutes of Quality.. Wikipedia Philip Crosby was a businessman and author and is recognized as an influential quality guru. He is best known for the quality management concepts Quality is Free, Zero Defects, and the Four Absolutes of Quality..
