Alex Gitterman is Zachs professor and director of the doctoral program at the University of Connecticut School of Social Work. He is the coeditor of Mutual Aid, Vulnerable and Resilient Populations, and the Life Cycle, Third Edition, and author of The Handbook of Social Work Practice with Vulnerable and Resilient Populations, Second Edition, which won the Robert Wood Johnson Award for excellence in end of life content. Currently, Professor Gitterman serves on the board of the Association for the Advancement of Social Work with Groups and as a commissioner on the Commission of Education and Curriculum Innovation and chair for the group work symposia of the Council on Social Work Education. The late Carel B. Germain was emerita professor of social work at the University of Connecticut. She is the author of Human Behavior in the Social Environment and editor of Social Work Practice: People and Environments.