Chinua Achebe and Walter Van Tilburg Clark are both what?
Walter Van Tilburg Clark Walter Van Tilburg Clark (August 3, 1909 – November 10, 1971) was an American novelist, short story writer, and educator. He ranks as one of Nevada's most distinguished literary figures of the 20th century, and was the first inductee into the 'Nevada Writers Hall of Fame' in 1988. Two of his novels, "The Ox-Bow Incident" and "The Track of the Cat," were made into films. As a writer, Clark taught himself to use the familiar materials of the western saga to explore the human psyche and to raise deep philosophical issues.
Ervin Staub Ervin Staub (born June 13, 1938) is a professor of psychology, emeritus, at the University of Massachusetts Amherst. He is the founding director of the doctoral program on the psychology of peace and violence. He is most known for his works on helping behavior and altruism, and on the psychology of mass violence and genocide. He was born in Hungary and received his Ph.D. from Stanford. He later taught at Harvard University. He worked in many settings, both conducting research and applying his research and theory. He worked in schools to raise caring and non-violent children, and to promote active bystandership by students in response to bullying, in the Netherlands to improve Dutch-Muslim relations, in Rwanda, Burundi and the Congo to promote healing and reconciliation. He has served as an expert witness, for example, at the Abu Ghraib trials, lectured widely on topics related to his work in academic, public, and government settings in the U.S. and other countries, and is the recipient of numerous honors.