 The term was coined by Herbert Stone (a food scientist) and Joel L. Sidel (a psychologist)

in 1974 while at the Stanford Research Institute, (now known as SRI International (SRI)).Stone and Sidel later founded Tragon Corporation, a successful spin-off of SRI, to develop and market QDA.Originally developed within the food industry, QDA is the basis of many disciplines that involve the senses, such as clothing, cosmetics, and electronics.