Abstract: On May 22nd 2018, Dr Norbert W. Tietz a towering personality and authority on clinical chemistry died in Atlanta, Georgia, USA at the age of 91. His demise marks the end of a remarkable professional career with seminal contributions as an educator, scientist, mentor and author in the areas of Clinical Chemistry and Laboratory Medicine. Born in Stettin, Germany in 1926, one of seven children, Dr Tietz received the degree of Doctor of Natural Sciences in 1950 from the Technical University in Stuttgart, Germany and was a research fellow from 1951 to 1954 at the University of Munich, working on the pathogenesis of atherosclerosis and related aspects of lipid metabolism.