Concept:
Social Diagnosis is a landmark book in the field of social work. It was published in
1917 and is considered one of the foundational texts of professional social work practice.
The book introduced systematic methods for studying and understanding the problems faced by individuals and families, which helped establish the principles of
social casework.
Step 1: Identify the author of the book "Social Diagnosis".
- Mary Richmond – Pioneer of social casework and author of Social Diagnosis.
- Jane Addams – Founder of Hull House and social reformer.
- Sigmund Freud – Founder of psychoanalysis.
- Emile Durkheim – Founder of modern sociology.
Thus, the correct answer is
Mary Richmond.