"Three prominent Wisconsin men who took part in Citizenship Day ceremonies at Manitowoc, Wisconsin, May 21, are, left to right: Chief Justice Marvin B. Rosenberry of the Wisconsin Supreme Court; Dr. R. J. Colbert, head of the University of Wisconsin Social Science Department, and Dr. Clarence Dykstra, President of the University of Wisconsin. Dr. Colbert is the originator of the ceremony in which 350 Native Americans of 21 years of age were administered oaths of citizenship."