Complex sentence: Elliott Jaques (January 18,1917--March 8,2003) was a Canadian psychoanalyst and organizational psychologist, known for developing the notion of requisite organization from his'stratified systems theory', running counter to many others in the field of organizational development.
Split into simpler sentences: Elliott Jaques (January 18,1917--March 8,2003) was a Canadian psychoanalyst and organizational psychologist. He developed the notion of requisite organization from his'stratified systems theory', running counter to many others in the field of organizational development.