Given name: E. Family name: Korczycki

The author of the testimony 301-5922. The surname is probably the Aryan surname of the author or of the person who donated the text to the Jewish Historical Institute. The author of the memoirs was a high-ranking officer of the Jewish Police and the Polish Army officer; he resigned from the police, worked for the underground organisations, participated in the Warsaw ghetto uprising, wandered in the forests, handed his typescript to a Pole.