Member Awards and Achievements Thomas Bender receives Roy Rosenzweig Distinguished Service Award June 9, 2015 Share on Twitter (opens in a new tab) on Facebook (opens in a new tab) on Linkedin (opens in a new tab) via email Thomas Bender received the 2015 Roy Rosenzweig Distinguished Service Award from the Organization of American Historians (OAH) for his contributions to our understanding of American History.