Quality control (QC) is a process by which entities review the quality of all factors involved in production. ISO 9000 defines quality control as "a part of quality management focused on fulfilling quality requirements".
Quality inspector in a Volkseigener Betrieb sewing machine parts factory in Dresden, East Germany, 1977
Armand Vallin Feigenbaum was an American quality control expert and businessman. He devised the concept of Total Quality Control which inspired Total Quality Management.
Feigenbaum Hall on the campus of Union College
Gravestone in the Anshe Amunim section of Pittsfield Cemetery