> a social class originally posited by the John and Barbara Ehrenreich in the 70s The professional managerial class was also identified and studied quite a bit

> a social class originally posited by the John and Barbara Ehrenreich in the 70s The professional managerial class was also identified and studied quite a bit earlier. James Burnham wrote about it extensively in 1941 in The Managerial Revolution, and that was based (in part) on ideas from Vilfredo Pareto in the early 1900s about "elite theory."