David Boder

In 1946, Dr. David P. Boder, a psychology professor from Chicago's Illinois Institute of Technology, traveled to Europe to record the stories of Holocaust survivors in their own words. Dr. David P. Boder with Armour wire recorder, Europe, 1946 Over a period of three months, he visited refugee camps in France, Switzerland, Italy, and Germany, carrying a wire recorder and 200 spools of steel wire, upon which he was able to record over 90 hours of first-hand testimony. These recordings represent the earliest known oral histories of the Holocaust, which are available through this online archive. 

Voices of the holocaust http://voices.iit.edu/