Which of the following was not involved in the development of a classification system of mental illnesses in the 1800's?

Name: Which of the following was not involved in the development of a classification system of mental illnesses in the 1800's?
Brand: Quizplus
Rating: 4.8 (57 reviews)

Question

Quizplus · Accepted Answer

John Cade was not involved in the development of a classification system of mental illnesses in the 1800's. The other three, J. E. Esquirol, Emil Kraepelin, and Phillip Pinel, were significant contributors in this field during the 19th century.

Which of the Following Was Not Involved in the Development