Harold John Berger was born on April 9, 1920 in Iowa Falls, Iowa to Henry and Florence (Hofmann) Berger, the eldest of three brothers, Lloyd and Edward, who predeceased him. He died December 13, 2012.
Harold graduated from Iowa Falls High School. He went to Washington, DC, where he attended Washington University and joined the FBI. He went into counter-espionage as he was fluent in French. After joining the army, he was sent to Europe and spent 2