Back جون أغسطس لارسون Arabic John A. Larson German John A. Larson Italian John Augustus Larson Malagasy John Augustus Larson Turkish John Augustus Larson Vietnamese
John Augustus Larson | |
|---|---|
 John Larson in 1921 | |
| Born | December 11, 1892 |
| Died | October 1, 1965 (aged 72) |
| Nationality | American |
| Citizenship | U.S. |
| Education | Boston University (M.Sc., 1915) University of California, Berkeley (Ph.D., 1920) Rush Medical College (M.D.) |
| Alma mater | University of California, Berkeley, Rush Medical College |
| Occupation(s) | Police Officer, Forensic Psychiatrist |
| Known for | Criminology, Polygraphy |
| Scientific career | |
| Fields | Medicine Criminology |
| Institutions | Berkeley Police Department |
John Augustus Larson (11 December 1892 – 1 October 1965) was a police officer and forensic psychiatrist and became famous for his invention of the modern polygraph device used in forensic investigations.[1] He was the first American police officer with an academic doctorate and to use the polygraph in criminal investigations.[2][3] After a famed career in criminal investigation, he died of a heart attack in Nashville, Tennessee, at the age of 73.[4]
- ^ Bellis, M. Police Technology and Forensic Science: History of the Lie Detector or Polygraph Machine.About.com Inventors.
- ^ Carlsen E (2010). Truth in the machine Archived 2011-06-24 at the Wayback Machine. California Magazine, Cal Alumni Association, Berkeley
- ^ Gordon, N. J. (2008). Today's Instruments for Truth Testing. The Police Chief, vol. 75, no. 9.
- ^ Milestones on Time magazine
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