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The history of EVP's.              
                                         Nikola Tesla       Dr.Konstantin Raudive       Friedrich Jurgenson          Raymond Cass
1901 US ethnologist Waldemar Bogoras traveled to Siberia to visit a shaman of the Tchouktchi tribe. In a darkened room, he observed a spirit conjuring ritual. The shaman beat a drum more and more rapidly, putting himself in a trance state. Startled, Bogoras heard strange voices filling the room. The voices seemed to come from all corners and spoke English and Russian. After the session Bogoras wrote:

I set up my equipment so I could record without light. The shaman sat in the furthest corner of the room, approximately 20 feet away from me. When the light was extinguished the spirits appeared after some "hesitation" and, following the wishes of the shaman. spoke into the horn of the phonograph. The recording showed a clear difference between the speech of the shaman, audible in the background, and the spirit voices which seemed to have been located directly at the mouth of the horn. All along, the shaman's ceaseless drum bats can be heard as if to prove that he remained in the same spot.

This was the first known experiment in which voices of "conjured spirits" were recorded on an electrical recording device .

Hereward Carrington Psychic Researcher begins experimenting.

Thomas Edison worked on equipment he hoped would permit communication with the dead, using a chemical apparatus with potassium permanganate.

The Scandinavian military pick up what was probably the first ever polyglot messages. At the time believed to be German coded messages, which was later discounted.

Attila Von Szalay started to experiment with a Pack-Bell record-cutter and player, trying to capture paranormal voices on phonograph records.

Raymond Bayless joined Attliz Von Szalay in experiments and wrote an article for the Journal of the American Society for Psychical Research in 1959.

Swedish film maker Friedrich Jurgenson discovered strange voices whilst out recording bird sounds.

Jurgenson after 5 years of research publishes his findings in his book Roesterna Fraen Rymden (Voices from the Universe). Attliz Von Szalay gets voices of his deceased relatives on tape for the first time.

Dr. Konstantin Raudive, a Latvian psychologist and philosopher, visited Jurgenson, concluded that the phenomenon was genuine, and started his own experiments in Bad Krozingen, Germany.

1967 Thomas Edison spoke through West German clairvoyant Sigrun Seuterman, in trance, about his earlier efforts in 1928 to develop equipment for recording voices from the beyond. Edison also made suggestions as to how to modify TV sets and tune them to 740 megahertz to get paranormal effects. (Session recorded on tape by Paul Affolter, Liestal, Switzerland). Franz Seidi, Vienna, developed the "sychophone". Theodore Rudolph developed a goniometer for Raudive's experiments.

1968 Father Leo Schmid, Oeschgen, Switzerland, was assigned a small parish to give him time to experiment with taping voices. His book, Wen Die Toten Reden (When the Dead Speak) was published in 1976, shortly after his death. Raudive published his book Unhoerbares Wird Hoerbar (The Inaudible Becomes Audible), based on 72,000 voices he recorded.

Scott Rogo and Raymond Bayless publish 'Phone Calls From The Dead'. Raymond Cass begins experimenting.

1971 Colin Smythe, Ltd. England, published explained English translations of Raudive's book: Breakthrough, an Amazing
Experiment in Electronic Communication with the Dead. Marcello Bacci and co-workers in Grosseto, Italy, made weekly contact with 'spirit' communicators, which still continued in 1988. William Adams Welch publishes his findings 'Talks With The Dead'. Paul Jones, George W Meek and Hans Heckman, Americans, opened a laboratory. First serious research to create a two-way voice communication system far more sophisticated than the equipment used in EVP approach.

Gilbert Bonner, a dedicated researcher who amassed a huge collection of voices during his lifetime, begins experimenting. Peter Bander, England, wrote Carry on Talking, published in US as Voices From the Tapes

Joseph and Michael Lamoreaux, Washington State, had success with recording paranormal voices after reading Raudive's book.

Formation of V.T.F German research group. William Addams Welch, Hollywood script writer and playwright, authored Talks With the Dead.

William O'Neil working for George Meek, using a modified side-band radio, had brief, but evidential contact with an American medical doctor said to have died five years earlier.

Manfred Boden has unsolicited contact with communicators of non-human evolution via telephone and computer.

1982 George Meek made a trip around the world to distribute tape recordings of 16 excerpts of communications between William O'Neil and an American scientist who died 14 years earlier. He also distributed a 100-page technical report giving wiring diagrams, photos, technical data and guidelines for research by others. Hans Otto Koenig, West Germany, develops sophisticated electronic equipment, using extremely low beat frequency oscillators, ultra-violet and infra-red lights, etc. Sarah Estep begins the American Association of EVP (AA-EVP)

1984 Kenneth Webster, England, receives (via several different computers) 250 communications from a person who lived in the 16th century. Most print-outs are in English text consistent with speech at that point in history, and personal details fully supported by library research. Communications often concurrent with poltergeist-type phenomena. Webster writes book, The Vertical Plane, with extensive photo documentation in 1989.

1985 Klaus Schreiber, West Germany, with technical assistance from Martin Wenzel, begins to get images of dead persons on TV picture tubes, using opto-electronics feedback systems. There is positive identification in many cases by accompanying audio communications, including audio-video contact with Schreiber's two deceased wives. This work is the subject of a documentary TV film and a book by Rainer Hobbe of Radio Luxembourg.

Jules and Maggie Harsh-Fischbach, Luxembourg, develop and operate two electronic systems superior to that of any of the EVP equipment up to this time.

The C.E.T.L group formed, Luxembourg.

Samuel Alsop publishes his book Whispers of Immortality.

INIT formed (International Network for Instrumental Transcommunication, ITC)

2003 Scottish researcher Alexander MacRae made a number of attempts to capture EVP in a specially designed laboratory belonging to the Institute of Noetic Science, Petaluma, California. The laboratory was described as being "double-screened"; Shielded against electromagnetic radiation; to prevent interference from radio transmissions or near by electronic devices, and insulated against sound; to prevent contamination of recordings by external noise sources. Over the course of the experiment, MacRae reported capturing a number of anomalies which were subsequently isolated and analyzed. Based on this analysis, and the level of screening against outside interference, MacRae concluded that the anomalies represented distinct speech from a source that could not be explained through conventional means.

EVP History Timeline from EVP Research Association UK
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