Search results
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.
Jan 3, 2023 · 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. He was the first American police officer with an academic doctorate and to use the polygraph in criminal investigations.After a famed career ...
The Invention of the Polygraph. Entrepreneurs & Inventors, Inventions / By Kate Kelly. The lie detector—or polygraph machine–was first created by John Augustus Larson (1892-1965), a part-time employee of the Berkeley Police Department who was earning his Ph.D. in physiology at the University of California at Berkeley in 1920.
Dec 11, 2013 · John Augustus Larson, a Nova Scotia-born police officer with a PhD in physiology, made a name for himself hunting for liars. Today, the inventor of the modern lie...
From the description of John A Larson papers, 1922-1965. (University of California, Berkeley). WorldCat record id: 84655583. Biography. In 1921 John A. Larson, a young medical student at the University of California Berkeley, assembled the first American polygraph lie detector for Berkely Chief of Police, August Vollmer.
Feb 2, 2019 · John Augustus Larson, a medical student and officer at the Berkeley Police Department in California, invented the cardio-pneumo psychogram in 1921, a device that monitored systolic blood pressure and breathing depth, and recorded it on smoke-blackened paper. Advertisement.
Mar 1, 2020 · PDF | On Mar 1, 2020, Jan Widacki published John Augustus Larson (1892–1965) | Find, read and cite all the research you need on ResearchGate.
Searches related to john augustus larson biography
