David Peterson del Mar is author of the award-winning book, What Trouble I Have Seen: A History of Violence against Wives (Harvard University Press) and of Beaten Down: A History of Interpersonal Violence in the West (University of Washington Press). He has taught many courses on Oregon and Pacific Northwest history at universities and colleges in Oregon and British Columbia. He lives in Portland, Oregon, and is a board member of Oregon Uniting, an organization devoted to advancing racial reconciliation and justice through dialogue and education.