Earl R. Babbie graduated from Harvard University before enlisting in the U.S. Marine Corps. He received his Ph.D. from the University of California, Berkeley, and began teaching shortly thereafter. Credited with defining research methods for the social sciences, Dr. Babbie has written several texts, including the bestselling THE PRACTICE OF SOCIAL RESEARCH.
Allen Rubin has been doing and teaching research since 1976, when he received his Ph.D. from the University of Pittsburgh. Renowned in social work, Dr. Rubin has written several research texts, published numerous research studies on social work practice, and is a past president of the Society for Social Work and Research.