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John A. Larson
John Larson in 1921.jpg
John Larson in 1921
Born 11 December 1892 (1892-12-11)
Shelburne, Nova Scotia, Canada
Died 1 October 1965 (1965-11)
Berkeley
Residence Berkeley, California
Citizenship U.S.
Nationality American
Fields Medicine
Criminology
Education Boston University
M.Sc. 1915 University of California, Berkeley
Ph.D. 1920 (Physiology)
Alma mater University of California, Berkeley
Known for Criminology, Polygraphy

John Augustus Larson was a Police Officer for Berkeley, California, United States, and famous for his invention of modern polygraph used in forensic investigations.[1] He was the first American police officer having an academic doctorate and to use polygraph in criminal investigations.[2][3] After a famed career in criminal investigation, he died of heart attack in Nashville, Tennessee at the age of 72.[4]

Early life and career[edit]

Larson was born in Shelburne, Nova Scotia, Canada, of Nordic parents. His family moved to New England in his early childhood, though his parents soon divorced. He studied biology at Boston University holding down odd jobs to support himself, ranging from busboy and paperboy to stonecutter and elevator operator. In 1915, he earned a master's degree with a thesis on fingerprint identification. This work inspired his interest in forensic science and led him to the University of California, Berkeley, where he obtained a Ph.D. in physiology in 1920.[5]

Having done moonlighting work as a student for the Berkeley Police Department, he joined the force in 1920. His great insight was to integrate a test for blood pressure, developed by William Moulton Marston, with measurements for pulse, respiration and skin conductivity, to make a comprehensive lie detection tool. He was also highly encouraged by his police chief August Vollmer.

At the time of the invention of the polygraph, aged 21, Larson was a medical student at the University of California, Berkeley. He later entered the field of forensic psychiatry.

Invention of polygraph[edit]

The instrument, with its diverse collection of physiological indices, became known as the polygraph, which Larson then fully developed for forensic use in 1921, and applied it in police investigations at the Berkeley Police Department.[6][7] His instrument provided continuous readings of blood pressure, rather than discontinuous readings of the sort found in Marston's device. The first practical use was in the summer of 1921. The San Francisco Call and Post arranged for Larson to use the apparatus to test William Hightower, accused of murdering a priest in San Francisco. The newspaper reported Larson’s findings the following morning: Hightower was pronounced guilty by impartial science. The graphic results of the interrogation were printed large across the page, with arrows marking each presumed lie. Vollmer exalted the machine to the press, which renamed it the 'lie detector.' However, Larson himself used to refer to his apparatus as a 'cardio-pneumo psychogram,' which basically consisted of a modification of an Erlanger Sphygmomanometer.[8]

Legacy[edit]

Larson married Margaret Taylor, the freshman victim of the College Hall case and the first person he ever interrogated on the lie detector. Over the next fifteen years, he collected hundreds of files on successful criminal cases where his polygraph solved murders, robberies, thefts and sex crimes. His instrument was nicknamed 'Sphyggy' by the press who covered Larson’s crime solving escapades in the 1920s and 30's; 'Sphyggy' because they couldn’t pronounce 'Sphygmomanometer.' [9] The polygraph is considered officially one of the greatest inventions of all time. It is included in the Encyclopædia Britannica Almanac 2003's list of 325 greatest inventions.[10] This first polygraph instrument of Larson is now at the Smithsonian Institution in Washington, D.C.. It first appeared in action in a moving picture in 1926 in the silent police serial ‘’Officer 444’’.

Bibliography[edit]

  • The cardio-pneumo-psychogram in deception. Phillips Bros., Print (1924)
  • Single fingerprint system, (The Berkeley police monograph series). D. Appleton (1924)
  • The use of the polygraph in the study of deception at the Institute of Juvenile Research, Chicago. Dept. of Public Welfare (1927)
  • Lying and its detection: A study of deception and deception tests (Behavior research fund. Monographs). The University of Chicago press (1932)

See also[edit]

References[edit]

  1. ^ Bellis, M. Police Technology and Forensic Science: History of the Lie Detector or Polygraph Machine.About.com Inventors.
  2. ^ Carlsen E (2010). Truth in the machine. California Magazine, Cal Alumni Association, Berkeley
  3. ^ Gordon, N. J. (2008). Today's Instruments for Truth Testing. The Police Chief, vol. 75, no. 9.
  4. ^ Milestones on Time magazine
  5. ^ Alder, K (2007). The Lie Detectors: The History of an American Obsession. Free Press, Simon and Schuster, Inc, pp. 23-25. ISBN 0-7432-5988-2
  6. ^ Matté, J A (1996). Forensic psychophysiology using the polygraph: scientific truth verification, lie detection. J.A.M. Publications, p. 22. ISBN 0-9655794-0-9
  7. ^ Segrave, K (2004). Lie detectors: a social history. McFarland, pp. 18-19. ISBN 0-7864-1618-1
  8. ^ The Polygraph Museum John Larson's Breadboard Polygraph
  9. ^ John Larson’s California
  10. ^ [1]

External links[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/John_Augustus_Larson — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
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(Thethaovanhoa.vn) - Điệp viên đã là một nghề không thích hợp với người “bình thường”, điệp viên hai mang chắc chắn phải có thần kinh thép. Chả thế mà Aldrich Hazen Ames, vốn là gián điệp cho CIA song lại thường xuyên bán thông tin cho KGB, chiến ...
 
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Fri, 12 Sep 2014 12:04:41 -0700

In the 1920s, William Moulton Marston, better known as the man who would created Wonder Woman, developed a systolic blood pressure test, which went on to become a vital component of the modern polygraph invented by John Augustus Larson in ...

SPIEGEL ONLINE

SPIEGEL ONLINE
Tue, 03 Feb 2015 01:49:35 -0800

1921 war es soweit: Basierend auf einer Maschine von William Moulton Marston entwickelte der Physiologe und Polizist John Augustus Larson den modernen Lügendetektor. Einer der ersten Fälle, bei denen Larson seine Maschine einsetzte, drehte sich um ...
 
Pacifica Tribune
Wed, 13 Mar 2013 08:33:22 -0700

Born in Nova Scotia in 1892, John Augustus Larson became interested in forensic science and went on to receive his Ph.D. in physiology at the University of California, Berkeley around 1919. That same year he also became a Berkeley police officer. A ...
 
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Thu, 30 Aug 2012 02:26:48 -0700

The most dangerous sex offenders will be forced to take regular lie detector tests after leaving jail in a bid to prevent fresh attacks. After a successful trial was carried out in the Midlands, ministers are now set to introduce compulsory lie ...
 
Aftenposten
Mon, 05 Jan 2015 22:56:15 -0800

Polygrafen ble oppfunnet i 1921 av politimann og tidligere medisinstudent John Augustus Larson. Han tok utgangspunkt i en metode for å måle blodtrykk, utviklet av William Moulton Marston, og utviklet et instrument for å måle puls, svette mm ...

Excélsior

Excélsior
Sun, 01 Feb 2015 22:00:00 -0800

El principio sigue siendo similar, cuando no idéntico, al desarrollado por Moulton Marston y perfeccionado por John Augustus Larson en 1929. Moulton Marson ha recibido crédito por la invención de una prueba de la presión sistólica (se refiere a la ...

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Thu, 31 Jul 2014 06:11:35 -0700

Edwin Balmer şi William MacHarg, The Achievements of Luther Trant, 1910: Balmer şi MacHarg, fratele soţiei sale, au anticipat inventarea poligrafului, cu 11 ani înaintea apariţiei acestuia. Primul detector de minciuni a fost inventat de John Augustus ...
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