Leonarde Keeler
Co-inventor of the polygraph / From Wikipedia, the free encyclopedia
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Leonarde Keeler (October 30, 1903 – September 20, 1949) was the co-inventor of the polygraph. He was named after the polymath Leonardo da Vinci, and preferred to be called Nard. He was a Berkeley high school student and amateur magician. He was captivated by John Augustus Larson's machine, a "cardio-pneumo psychogram", with the goal of detecting deception, and worked on it to produce the modern polygraph.[1]
Quick Facts Born, Died ...
Leonarde Keeler | |
---|---|
Born | (1903-10-30)October 30, 1903 North Berkeley, California |
Died | September 20, 1949(1949-09-20) (aged 45) Door County, Wisconsin |
Alma mater | University of California, Berkeley University of California, Los Angeles |
Occupation(s) | Detective, inventor |
Known for | Co-inventor of the polygraph |
Spouse |
Katherine Applegate
(m. 1930; died 1944) |
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