Polygraph by Leonarde Keeler. As Larson's protege, Keeler updated the device by making it portable and added the galvanic skin response to it in 1939. His device was then purchased by the FBI, and served as the prototype of the modern polygraph. Several devices similar to Keeler's polygraph version included the Berkeley Psychograph, a blood pressure-pulse-respiration recorder developed by C. D. Lee in 1936 and the Darrow Behavior Research Photopolygraph, which was developed and intended solely for behavior research experiments. A device which recorded muscular activity accompanying changes in blood pressure was developed in 1945 by John E. Reid, who claimed
Heather (given name) Heather (given name) Heather is a common English speaking nation given name, for girls. The name Heather actually refers to a variety of small shrubs with pink or white flowers which commonly grow in rocky areas that is literally referred to as Heather, in English. The brush is native to Scotland and England, but it is more commonly found in Scotland due to its rocky territories. The name is derived from Middle English "hather". Heather has several other definitions. The most commonly known is as a reference to a color mixture, it is most often a pale shade of blue