Leonard R. Sayles served as a consultant to the administrator of NASA in the late 1960s. He is a senior research scientist at the Center for Graduate School of Business. Among his other books are Managerial Behavior, Leadership; Managing in Real Organizations; and Leaders Who Make Organizations Work (in press).
Margaret K. Chandler, before her recent death, was a professor at Columbia University. Before that she held similar posts at the University of Chicago and then at the Center for Advanced Study in the Graduate College at the University of Illinois. She was the McKinsey Award winner for her book Management Rights and Urban Interests.