Larson, John A. (John Augustus), 1892-

In 1921, John Augustus Larson, a young medical student at the University of California, Berkeley, assembled the first American polygraph lie detector for Berkeley Chief of Police, August Vollmer. Larson went on to specialize in criminal psychology, working with police departments and mental hospitals in Indiana, Illinois, Michigan, New Mexico, and South Dakota.

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. Larson went on to specialize in criminal psychology working with police departments and mental hospitals in Indiana, Illinois, Michigan, Iowa, New Mexico, and South Dakota.

From the guide to the John A. Larson Papers, 1922-1965, (The Bancroft Library.)