11 cubic feet, 565 folders, 32 microfilm rolls, 2 audio tapes
Known as the father of peace research, Lentz began his career as an educational psychologist at Washington University in 1924. He resigned from full-time teaching in 1948 and devoted the rest of his life to scientific peace research. His 1955 Towards a Science of Peace led to further research and the establishment of peace research centers around the world. The papers includes material from the Character Research Association and Peace Research Laboratory.