John Augustus Larson | |
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![]() John Larson in 1921 | |
Born | |
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]
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