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Lie Detector
By Joe P.
Quick FactsQuick Facts
Year Invented: 1921Year Invented: 1921 Inventor: John LarsonInventor: John Larson Country: United StatesCountry: United States
John Larson was studying to become John Larson was studying to become a doctor in 1921.a doctor in 1921.
He saw what He saw what happened when happened when people lied.people lied.
Sources
www.facts4me.com
