William Moulton Marston
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William Moulton Marston, also known by the pen name Charles Moulton, was an American psychologist who, with his wife Elizabeth Holloway, invented an early prototype of the polygraph. He was also known
William Moulton Marston in 1938
William Marston (right) in 1922, testing his lie detector invention
Polygraph
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A polygraph, often incorrectly referred to as a lie detector, is a device that measures and records several clinical biomarkers, such as blood pressure, pulse, respiratory rate, and skin conductivity,
William Moulton Marston
…also known by the pen name Charles Moulton (), was an American psychologist who, with his wife Elizabeth Holloway, invented an early prototype of the polygraph. He was also known as a self-help author and comic book writer who created the character Wonder Woman. Three women, his wife Elizabeth Holloway Marston…
American inventor Leonarde Keeler testing his improved polygraph on Arthur Koehler, a former witness for the prosecution at the 1935 trial of Richard Hauptmann
A polygraph being administered as part of the Manhattan Project, c. 1945
Demonstrating the administration of the polygraph, the polygrapher making notes on the readouts. 1970s
Brochure of the Defense Security Service (DSS) about polygraph testing