Over the past few decades, Total Quality Management (TQM) gurus have been developed certain theories in the area of business quality improvement, which caused a huge paradigm shift in improving the quality of products and services. The main aim of this paper was to discuss regarding the key roles of TQM gurus such as Deming, Crosby, Juran, Feigenbaum, Ishikawa, and others in improving business quality within different organizations in 20th Century. Thus, a systematic literature review was performed to specify the concept of TQM principles and philosophies from the aforementioned TQM gurus. However, the literature review was provided invaluable insight on the understanding of the main ideas and philosophies proposed by these TQM gurus.