John Augustus Larson, Date of Birth, Place of Birth, Date of Death

John Augustus Larson

American inventor

Date of Birth: 11-Dec-1892

Place of Birth: Shelburne, Nova Scotia, Nova Scotia, Canada

Date of Death: 01-Oct-1965

Profession: inventor, psychiatrist

Nationality: United States

Zodiac Sign: Sagittarius

John Augustus Larson (11 December 1892 – 1 October 1965) was a Police Officer for Berkeley, California, United States, and famous for his invention of modern polygraph used in forensic investigations.
He was the first American police officer having an academic doctorate and to use polygraph in criminal investigations. After a famed career in criminal investigation, he died of a heart attack in Nashville, Tennessee at the age of 72.