You have to briefly answer the following questions about the following Theorist.
Deming, Juran, Ishikawa, Crosby and Feigenbaum.
Qestions-
1. What were their major concepts?
2. Process of theory proposed
3. Process - Driven Quality Requirements
4. Customer - Driven Quality requirements
5. Company examples that has applied this theory
If you reference any material you need to cite it in APA format.