1. Carl Barth was one of the 6 individuals who were prominent in spreading scientific management under Frederick Taylor in the late 19th and early 20th centuries. He assisted Taylor on various projects and helped install scientific management practices.
2. Harrington Emerson polished the notion of efficiency and developed the general staff concept of having specialized staff to advise management. He consulted for over 50 clients and found inefficiency in various industries and education.
3. Morris Cooke brought scientific management principles to educational and municipal organizations. He studied administration in schools and found issues like lack of accountability and autonomy of departments. He recommended reforms like merit-based pay and removing job security of professors.