1917 – Born on January 18th in Toronto, Canada. A Canadian psychologist, Dr. Elliott Jaques, one of the world’s leading psychologists and a pioneer in human development theory.
1935 – He graduated with a B.A. Honors Science degree from the University of Toronto at the age of eighteen.
1939 – Received an M.D. from Johns Hopkins Medical School at age twenty-three.
– Dr. Jaques, who graduated from the Johns Hopkins School of Medicine and earned a Ph.D. in social relations from Harvard University, became well known for identifying and coining the "mid-life crisis" and his breakthrough discovery that a person’s capability to perform complex tasks is both a lifelong evolution and predictable.
1946 – He founded the Tavistock Institute of Human Relations.
1965 – He introduced the concept of the mid-life crisis.
1976-2002 – Dr. Jaques is the author of more than 20 books, including The Life and Behavior of Living Organisms, Social Power and the CEO, Requisite Organization, Human Capability with Kathryn Cason, and General Theory of Bureaucracy.
2003 – Died on March 8th in Gloucester, Massachusetts. He is survived by his wife, Kathryn Cason, as well as three children and grandchildren.