List of people who disappeared mysteriously: 1910–1990

1910s
DatePerson(s)AgeMissing fromMore information16 April 1910Edward Paul Adams9LaMont, Elk County, PennsylvaniaA young boy who vanished running away from a stranger {Possible kidnapping}.DOW NETWORK 12 December 202323 August 1912Bobby Dunbar4St. Landry Parish, Louisiana, U.S.Bobby Dunbar disappeared during a fishing trip. DNA clears man of 1914 kidnapping conviction USA Today 2004-05-05, Allen G. Breed (Associated Press).

1920s
DatePerson(s)AgeMissing fromMore info 
-->1920Homer Lemay6Waukesha, Wisconsin, U.S.Lemay disappeared in 1920, and on 8 March 1921 the body of an unidentified boy was found murdered in Waukesha, Wisconsin, and nicknamed Little Lord Fauntleroy. Many years later authorities said that the body might have been that of Lemay.-->1 April 1920Alexander Trishatny50RussiaRussian politician and founding member of the Union of the Russian People who was detained and "disappeared" by Cheka authorities.-->21 April 1920Sergei Trishatny55Saint Petersburg, RussiaFounding member of the Union of the Russian People who was arrested and promptly "disappeared" by Cheka authorities for his connection to the monarchist party, just 20 days after his younger brother Alexander.--> September 1920Clayton Kratz23Molotschna, UkraineThe Mennonite relief worker from the U.S. state of Pennsylvania left the U.S. on 1 September 1920 to travel to Russia. He did not return from the trip and was never heard from again.-->28 September 1920Victor Grayson39London, EnglandThe British former Member of parliament was not seen again after 28 September 1920 after telling friends he was going to the Queen's Hotel in Leicester Square and would be back, but did not return. He was also seen the same day by an artist who knew him entering a house in Thames Ditton belonging to Maundy Gregory, corrupt honours dealer, who is alleged to have murdered Grayson for investigating his activities.-->29 April 1921 ?Alexander Dubrovin66Moscow, RussiaRussian politician and leader of the Union of the Russian People who was supposedly arrested and killed by Cheka authorities for organizing pogroms and murders in the mid-1900s. However, poor record keeping and claims from different historians place his last known sightings from 1918 to 1929, making it unclear when his actual disappearance occurred.-->22 September 1922Alejandro Carrascosa21Buenos Aires, ArgentinaCarrascosa, an Argentine poet, writer and student, disappeared on 22 September and left hints that he was not going to be seen again, and was not.Febrero, Enero, Alejandro Carrascosa (1923) Seven Nights, Editorial Atlántida p. 33.
-->2 June 1924Joseph Alfred Meunier19Salem, Essex County, MassachusettsLast seen in Salem, Essex County, MassachusettsDOW NETWORK 12 December 2023
-->8 June 1924Andrew Irvine22Northeast ridge, Mount EverestThe English mountaineer, who took part in the 1924 British Mount Everest expedition, was last seen high on the mountain's northeast ridge on 8 June 1924 and his body has not been found.-->1924Liu MenggengunknownRepublic of ChinaMenggeng, a politician and physician of the Republic of China and Manchukuo, left office in 1924 and was never seen again.Xu main (2007), page 2508.
-->29 May 1925Percy Fawcett57Mato Grosso, BrazilFawcett, a British archaeologist and explorer, together with his eldest son Jack and friend Raleigh Rimell, was last seen traveling into the jungle of Mato Grosso in Brazil to search for a hidden city called the Lost City of Z. Several unconfirmed sightings and many conflicting reports and theories explaining their disappearance followed, but despite more than a dozen follow-up expeditions and the recovery of some of Fawcett's belongings, their fate remains a mystery.-->5 November 1925Sidney Reilly47–48Moscow, Soviet UnionBritish spy Sidney Reilly set off for the Soviet Union in an attempt to overthrow the Bolshevik regime and was said to have been captured and shot on 5 November 1925 but it is not known for sure since no location of his body is known. The photo of him seen dead was said to be alleged and it was even speculated that he was still alive, given that there were later sightings of him.Adventures of a British Master Spy: The Memoirs of Sidney Reilly, (first published in 1932)
-->13 November 1925Alice Corbett19Northampton, Massachusetts, U.S.An American college student, Corbett was last seen leaving her residence on the campus of Smith College on the morning of 13 November. Extensive searches of urban and wilderness areas across Western Massachusetts failed to yield any evidence of her fate. Her case received wide publicity through regional newspapers and national wire services.-->April 1926Frederick McDonald53–54Sydney, AustraliaAn Australian politician, McDonald went from Martin Place, Sydney, for a meeting with Jack Lang two blocks away but did not get there. He was possibly killed by his political rival Thomas Ley.Lateline History Challenge: Minister for Murder Australian Broadcasting Corporation, 2004-04-26, Margot O'Neill & Brett Evans.
-->30 October 1926Marvin Clark75Portland, Oregon, U.S.A retired American sheriff, Clark disappeared en route to visit his daughter by stagecoach during the Halloween weekend. His disappearance has the distinction of being the oldest active missing person case in the United States. 
-->6 August 1927Włodzimierz Zagórski45Vilnius, LithuaniaAn Austro-Hungarian military intelligence officer, Polish brigadier general, staff officer and aviator disappeared.-->25 August 1927Paul Redfern25BrazilAn American musician and a pilot from Columbia, South Carolina, who became known during the summer of 1927 for attempting to fly from Brunswick, Georgia to Rio de Janeiro, Brazil. He disappeared after 25 August 1927.-->7 September 1927James DeWitt Hill45Atlantic OceanHill was an early American air mail pilot who, together with Lloyd W. Bertaud, disappeared while attempting the first transatlantic flight in an effort to win the Orteig Prize.-->10 March 1928Walter Collins9Los Angeles, California, U.S.Walter disappeared from his home in 1928. He was later determined to have been murdered by Gordon Stewart Northcott in what was known as the Wineville Chicken Coop Murders. His disappearance and the attempt by the Los Angeles police department to convince his mother that a different boy was her son formed the basis of the 2008 film Changeling.New Kidnaping Clew Furnished in Hunt for Missing Collins Boy  Los Angeles Times 4 April 1928.
-->18 November 1928Glen Hyde29Grand Canyon, Arizona, U.S.The American newlyweds Glen and Bessie Hyde were last seen 18 November 1928 and disappeared while attempting to raft the Colorado River rapids of the Grand Canyon.Bessie Hyde22
-->15 April 1929J. Steward Davis38–39Baltimore, Maryland, U.S.Davis, an American political activist and a lawyer from Baltimore, Maryland, disappeared under suspicious circumstances on 15 April 1929 and was never heard from again.--> 25 November 1929Frank Baumgarteker55Los Angeles, California, U.S.A Los Angeles Businessman who vanished.The only clue to his disappearance was that his car had traces of red clay similar to that found in Borego Valley.Unidentified Wiki

1930s
DatePerson(s)AgeMissing fromCircumstances 
-->19 April 1930Crosbie Garstin42Salcombe estuary, EnglandCrosbie Garstin was a very successful novelist and a poet who on 19 April 1930 mysteriously disappeared in Salcombe estuary. Garstin's ultimate fate is unknown.-->6 May 1930Tony Buccola40Los Angeles, California, U.S.Tony Buccola was Los Angeles crime family boss who "vanished"; the only trace of him was his wrecked car found two days after his disappearance in Venice, California.California Digital Newspaper Archive "San Bernardino Sun", Volume 66, Number 87, 26 May 1930 p.8
-->15 May 19302Chicago, Illinois, U.S.Agnes went missing after her mother, a struggling 17-year-old mother of two, gave her to a stranger calling herself "Julia Otis" in exchange for $2 on the understanding that the woman would take care of the girl in California for a short time and then return her to the Moroneys' Chicago home when things were better. She never did, and the ensuing investigation attracted national media attention. The girl was never located, and the case remains the oldest unsolved missing-persons case of this nature in the files of the Chicago Missing Persons Bureau. A California woman's belief that she was Mary Agnes has subsequently been disproven by DNA testing.-->6 August 1930Joseph Force Crater41New York City, New York, U.S.An associate justice of the New York Supreme Court, Crater was last seen after eating a meal at a restaurant. Crater was never seen or heard from again. His mistress, Sally Lou Ritz, 22, was falsely said to have disappeared a few weeks later, but was interviewed by police as late as July 1937. Crater's disappearance, which prompted one of the most sensational manhunts of the 20th century, was the subject of widespread media attention and a grand jury investigation. Crater was declared legally dead in 1939 and his missing persons file was officially closed in 1979; however, cold case squad detectives have investigated new leads as recently as 2005.The Charley Project: Sally Lou Ritz  3 April 2005.1930 NYPD Cold Case 'Solved'  OFFICER.com 2005-08-19, Larry Celona, Lorena Mongelli & Marsha Kranes (courtesy of New York Post).Judge Crater Abruptly Appears, at Least in Public Consciousness The New York Times 2005-08-20, William K. Rashbaum.
-->23 August 1930Raymond “Ray” Sutton56Clayton, Union County, New Mexico, USAAn ATF Officer who vanished with trace.DOW NETWORK 12 December 2023
-->24 October 1930Emil Kauppi55Tampere, FinlandKauppi was a composer primarily known for his 1925 composition Päiväkummun pidot (The Feast at Solhaug). Following the premiere of his poorly reviewed Nummisuutarit (The Cobblers on the Heath), he disappered in Tampere, and is thought to have committed suicide.FIMIC. 
-->15 October 1931Joseph Ardizzone46California, U.S.Los Angeles crime family boss; vanished while driving from his home to pick up a relative; declared legally dead seven years later. No trace of him was ever found.State of California, Final report of the Special Crime Study Commission on Organized Crime (Sacramento, 1953).
-->1932Jack Blackc. 61New York Harbor, U.S.Author Jack Black is believed to have committed suicide in 1932 by drowning as he reportedly told his friends that if life got too grim, he would row out into New York Harbor and, with weights tied to his feet, drop overboard.Ruhland, Bruno. Afterword. You Can't Win, by Jack Black. AK Press/Nabat, 2000. 272..
-->17 February 1933Julien Torma30Tirol, AustriaA French Dadaist writer, Torma never returned from a 17 February trip into the Austrian Tirol.-->1933C. B. Johnston 38Ohio, U.S.Johnston, American college athlete and coach, sent a postcard to his wife from Zanesville, Ohio, saying he was on his way to Chicago to publish a book after being fired as head football coach of what is now Appalachian State University. No one heard from him after that.-->1934Wallace Fard Muhammad56–57Detroit, Michigan, U.S.Founder of the Nation of Islam, Muhammad left Detroit and was never heard from again.Wallace D. Fard Federal Bureau of Investigation – Freedom of Information Privacy Act.
-->19 February 1934Georg Baumann42Shanghai, ChinaEstonian Greco-Roman wrestler who was erreneously reported as having died during the Second World War, but later reports claim that he had died sometime before February 19, 1934 while working as a wrestler and circus artist. -->November 1934Everett Ruess20Escalante, Utah, U.S.Ruess, a young American artist, disappeared while traveling through the deserts of Utah.-->22 November 1934Etta Riel20Worcester, Massachusetts, U.S.Riel was an American woman who vanished on the day of a scheduled paternity hearing against her former boyfriend. The case was complicated by anonymous telephone calls placed to a local train station the night of her disappearance and a telegram sent to her attorney weeks later from an unknown individual impersonating her. Extensive police searches across Central Massachusetts failed to locate her and the case was never solved.-->1935Li Yuan43–44ChinaLi Yuan was a politician of the Republic of China (and later Manchukuo) who disappeared in 1935. The circumstances of his later life and death are unknown.-->1936Miguel Arcángel Roscigna45ArgentinaArgentine anarchist militant, politician and fugitive who fled the country after being released from prison, never to be seen again.-->19 August 1936Federico García Lorca38SpainGarcía Lorca was a Spanish poet, playwright, and theatre director. He is believed to have been killed by Nationalist forces at the beginning of the Spanish Civil War. His body has not been found.Stainton, Lorca: A Dream of Life.
-->7 December 1936Jean Mermoz35Aubenton, FranceFrench air pilot Jean Mermoz went missing on 7 December 1936 while flying his Latécoère 300 Croix-du-Sud near Aubenton, Aisne. It is assumed that the plane crashed in the sea, but it is unconfirmed since his body was never recovered.-->3 June 1937Juliet Stuart Poyntz50New York City, New York, U.S.An American communist and ex-intelligence agent for the Soviet Union Juliet Poyntz disappeared on 3 June 1937. A police investigation turned up no clues to her fate, and her belongings, all of her clothing and hand luggage in her room appeared to be untouched.Kern, Gary, A Death in Washington, p. 163.Gitlow, Benjamin, The Whole of Their Lives; Communism in America—a Personal History and Intimate Portrayal of its Leaders, New York: Charles Scribner's Sons (1948)
-->17 April 1938Andrew Carnegie Whitfield28–29New York City, New York, U.S.Whitfield, the nephew of wealthy steel magnate Andrew Carnegie, mysteriously disappeared shortly after he departed from Roosevelt Field on Long Island, New York on the morning of 17 April 1938.-->8 May 1938Marjorie West4McKean County, Pennsylvania, U.S.Marjorie West was a missing American child who disappeared on May 8, 1938.-->Summer 1938Willie McLean34Chicago, Illinois, U.S.A Scottish-born American soccer player, Willie McLean disappeared without a trace in the summer of 1938.-->2 July 1938Alfred Beilhartz4Rocky Mountain National Park, Colorado, U.S.American child who disappeared after falling behind the group while hiking with his family during a vacation at Rocky Mountain National Park in Colorado.-->7 December 1939Barbara Newhall Follett25Brookline, Massachusetts, U.S.Follett was an American child prodigy novelist. Her first novel, The House Without Windows, was drafted when she was eight and completed and published in 1927 when she was twelve years old. Her next novel, The Voyage of the Norman D., received critical acclaim when she was fourteen. She continued to write as an adult; her works included travelogues and a romance called Lost Island. In 1939, aged 25 and despondent over her husband's unfaithfulness, she walked out of her apartment with thirty dollars ($581 in 2021) and was never seen again.Official Barbara Follett website, run by her nephew Stefan Cooke.
-->19 March 1939Lloyd L. Gaines28Chicago, Illinois, U.S.Gaines was a central figure in the legal case Missouri ex rel. Gaines v. Canada, which was an early success for the civil rights movement. One evening, he left his Alpha Phi Alpha fraternity house in Chicago, having told the housekeeper he was going to buy some stamps, and was never seen or heard from again. Some accounts suggest he was living in New York or Mexico City in the late 1940s.-->3 September 1939Rita Gorgonowa38PolandGorgonowa, a governess who was convicted of murdering a child in her care, disappeared after being released from prison.

1940s
DatePerson(s)AgeMissing fromCircumstances 
-->1944Nicholas Kaviak41Austria-HungaryNicholas was a famous toy-dealer in Austria-Hungary. He was the grandfather of the famous autistic writer and artist, Henriett Seth F. He was last seen in 1944. 15 December 1944Glenn Miller40Clapham, EnglandThe American big-band musician was in an airplane that disappeared over the English Channel.17 January 1945Raoul Wallenberg32Budapest, HungaryA Swedish diplomat that saved Jews in Hungary during the Holocaust. Wallenberg was arrested in Budapest after the Soviet army came.Wallenberg fate shrouded in mystery  CNN 12 January 2001.24 December 1945Maurice Sodder14Fayetteville, West Virginia, U.S.Five of the nine Sodder children, aged 5 through 14, lived in their parents' home. A fire burned down the house, with little proof of the bodies of the children having been in the house during the fire.Martha Sodder12Louis Sodder 9Jennie Sodder 8Betty Sodder 5

1950s
DatePerson(s)AgeMissing fromCircumstances 12 March 1956Jesús Galíndez41Manhattan, New York City, U.S.Spanish politician and Basque nationalist who is thought to have been kidnapped and murdered by Dominican security agents on the orders of Rafael Trujillo. His body has never been located.

1960s
DatePerson(s)AgeMissing fromCircumstances 1961Masanobu Tsuji59 LaosThe Japanese army officer and politician disappeared on a trip to Laos.17 December 1967Harold Holt59Portsea, Victoria, Australia.On 17 December 1967, Harold Holt, the Prime Minister of Australia, disappeared while swimming in the sea near Portsea, Victoria. His body was never found.1968Eugene DeBruin34Pathet Lao, LaosDeBruin, a United States Air Force staff sergeant and member of Air America, had his plane shot down in 1963 in Laos during the Second Indochina War. After that he was a POW at a Pathet Lao prison camp in Laos until 1968 when he and other prisoners tried to escape. He disappeared and it is not known if his escape was a success.

1970s
DatePerson(s)Age when disappearedMissing fromCircumstances 5 May 1971A. B. M Abdur RahimBangladeshHe has not been seen since his forced disappearance during the 1971 killing of Bengali intellectuals (or academics, journalists, physicians, lawyers, litterateurs, artists and engineers). In 1996, the Bangladesh Postal Department released a postage stamp with his picture and name. .10 December 197117Middlebury, Vermont, U.S.Schulze was a student at Middlebury College and was last seen by one of her college friends when she changed her [walking] direction, after first being on her way to a literature exam.30 January 197236BangladeshZahir Raihan, a Bangladeshi novelist, writer, and filmmaker and the brother of Shahidullah Kaiser, disappeared on 30 January 1972, while looking for his brother, who had been abducted by Pakistani forces.21 June 1972Boanerges de Souza Massa34Formosa, BrazilPhysician and field surgeon for the ALN who was captured, tortured and likely murdered shortly after his arrest by Brazilian authorities. His body has never been found.16 October 1972 40Alaska, U.S.Nick Begich and Hale Boggs were both Democratic members of the U.S. House of Representatives and disappeared when the airplane in which they were traveling presumably crashed in a remote area on 16 October 1972. No trace of the aircraft has ever been found.5830 July 1975 62Bloomfield Township, Michigan, U.S.Hoffa, a U.S. trade union leader and president of the International Brotherhood of Teamsters, disappeared on 30 July 1975 from the parking lot of a restaurant. It is believed he was to meet with the Mafia leaders Anthony Giacalone and Anthony Provenzano.15 November 1977 13Niigata Prefecture, JapanYokota was reportedly abducted by a North Korean agent on 15 November 1977. She was thought to have been taken to a spy-training center.

1980s
DatePerson(s)Age when disappearedMissing fromMore info 26 April 1980 43St Kilda, AustraliaLouise Faulkner and her daughter Charmian went missing in April 1980 after Louise told a friend she was visiting her boyfriend in Gippsland. They were last seen getting into a white ute. They have not been found. 226 April 1980 14Manchester, New Hampshire, U.S.Fourteen-year-old Rahn disappeared from her apartment after spending an evening with two friends. Upon returning home in the early morning, her mother noticed the lightbulbs in the hallways of each floor in the apartment building had been unscrewed, leaving the halls dark. Upon entering the apartment, she saw the figure of a young girl in Rahn's bed; Judith assumed the figure was Rahn. However, several hours later, she discovered that she was in fact Rahn's friend, who had fallen asleep in the bed. Her friend claimed to have last seen Rahn during the night when she got up to go to sleep on the couch. In the years after Rahn's disappearance, her mother received various anonymous phone calls.17 June 1980 55Lop Nur, ChinaChinese biologist Peng, who led an expedition to Lop Nur, disappeared after leaving a note saying he had gone to find water. His body has not been found.28 July 1980 51New York City, United StatesJohn Favara was the backyard neighbor of Gambino crime boss John Gotti, in Howard Beach, New York, who disappeared after he struck and killed Gotti's 12-year-old son, Frank, with his car as the boy darted into the street on a motorized minibike. After the killing, Favara's wife and two sons moved out of Howard Beach.5 August 1980 19East Falkland, Falkland IslandsThe Royal Marine Alan Addis went missing on 5 August 1980. He and some other soldiers wer on a patrol to North Arm in Lafonia on East Falkland. Addis was last seen at 1:30 a.m. after the marines had attended a local function in the social hall of the small, remote community. He was not missed until the other members of his team had set sail on a steamer (or boat), to take them back to their base at Port Stanley. The official report assumes he drowned.6 October 1980 49Mount Nun, Jammu and KashmirThis American geologist and planetary scientist disappeared on 6 October on Mount Nun in the Kashmir Himalayas and is believed dead.16 October 1980Irma Flaquer42GuatemalaGuatemalan psychologist and journalist who was kidnapped. 7 November 1980 11Sundsvall, SwedenAsplund disappeared from his home in Sundsvall during the morning of 7 November 1980 and has not been seen since.9 December 1980 64GuatemalaFoppa disappeared on 9 December 1980 and is believed to have been murdered.28 November 1981 2Schloß Neuhaus, West GermanyLee was a British girl who disappeared from a NAAFI shopping complex on 28 November 1981, her second birthday.December 1981 81–85Florida, United StatesGeorge Washington "Bo" Hughes was a carver of Hobo Nickels until he disappeared from a Hobo camp.9 January 1982 33Mona Vale, AustraliaLynette Dawson was the wife of Chris Dawson, teacher and rugby league player. She disappeared on 9 January 1982, and has not been seen since. In 2018, Chris Dawson was charged with the murder of Lynette Dawson. He was in 2020 told to stand trial for the murder of Lynette. 5 July 1982 29LebanonThe Iranian military attache Ahmad Motevaselian was one of the four Iranian diplomats (with Seyed Mohsen Mousavi, Kazem Akhavan, and Taghi Rastegar Moghadam) who disappeared in Lebanon in 1982. On 5 July 1982, when the vehicle carrying the diplomats was passing through a checkpoint on its way to Beirut, it was intercepted (or stopped) by Phalange Party members. The search for Motevaselian and the other Iranian diplomats continues.5 September 1982 12Des Moines, Iowa, U.S.Gosch was reported missing by his parents after he disappeared on 5 September 1982, while delivering newspapers.John D Gosch  Iowa Division of Criminal Investigation, Iowa Department of Public Safety, State of Iowa. At that time, the custom was a three-day waiting period before police responded to missing-persons reports. Gosch was not heard from again, but his case prompted new laws for Iowa and other states resulting in missing-persons reports involving children being given immediate attention.Johnny Gosch, Missing Since 1982 ID : Investigation Discovery.12 September 1982 35Lewiston, Idaho, U.S.On the night of 12 September 1982, Pearsall, an employee of the Lewiston Civic Theater, entered the building to use the laundry facilities and has not been seen since. His disappearance occurred on the same night as that of two women he was acquainted with, Kristina Diane Nelson and Jacqueline Ann "Brandy" Miller. Nelson and Miller were later found dead. Police believe Pearsall may have been a victim of the same killer.3 November 1982 20North Queensland, AustraliaTony Jones disappeared while backpacking on 3 November 1982, and is believed to have been murdered.24 November 1982 23Kansas City, MissouriClemons disappeared from Kansas City on 24 November 1982 along with her daughter and an unnamed man, apparently to "start a new life" in Florida. On 3 December 1982, Clemons was seen walking on a bridge above the Escatawpa River on Interstate 10, near the Alabama/Mississippi border with her daughter. Passing motorists tried to help her, she denied (or did not want) any help. A motorist reported seeing the body of a woman, floating in the river on 5 December; The authorities found the body of her daughter instead.13 February 1983 44Colombo, Sri LankaSri Lankan business magnate Upali Wijewardene's private Lear jet disappeared on the way to Colombo on 13 February 1983.17 March 1983 6Grenoble, FranceJanvier disappeared on 17 March 1983 when he was believed to have been abducted along with his brothers by an unidentified white man. While his brothers escaped, Ludovic has not been located.7 May 1983 15Rome, ItalyGregori, a girl who disappeared from Rome on 7 May 1983, has not been seen since.1 June 1983 12Louisville, Kentucky, U.S.Russian immigrant Gotlib disappeared from the premises of a shopping mall on 1 June 1983. The police later found her bike, but her abductor has remained a mystery.22 June 1983 15Rome, ItalyOrlandi, who was a citizen of Vatican City, disappeared on 22 June 1983 and has not been seen since.25 June 1983 4Helena, Montana, U.S.On 25 June 1983 in the Helena National Forest, four-year-old Nyleen Marshall disappeared from a large family picnic. Some children with whom she was playing claimed to have seen her talking to an unknown man in a jogging suit. In the years after Marshall's disappearance, an anonymous person placed phone calls and wrote letters to missing-person nonprofits, as well as to the Marshall family, detailing his apparent kidnapping of Marshall. The unknown writer/caller was traced to Wisconsin, and he claimed Marshall was alive and well, though some content of his letters indicated sexual abuse. The identity of the letter writer and caller remain unknown, as does Marshall's whereabouts.6 July 1983 18Rockledge, Florida, U.S.Model and actress Tammy Lynn Leppert disappeared on 6 July 1983 without a trace after leaving her family home.1 September 1983 14Napier, New ZealandKirsa Jensen disappeared on 1 September 1983 while riding her horse at a beach.2 September 1983 51British Columbia, CanadaThe American computer scientist was last seen on 2 September 1983 aboard a private plane, a Britten-Norman Islander, with six other people to go on a hunting trip. The plane disappeared somewhere in British Columbia and was never found.10 February 1984Kevin Andrew Collins10San Francisco, California, U.S.Collins disappeared while en route to basketball practice. He was one of the first children to be featured on milk cartons and the cover of national publications.13 February 1984 43Denali, Alaska, U.S.Naomi Uemura, a Japanese adventurer who was particularly well known for doing alone what had previously been achieved only with large teams, disappeared on 13 February 1984 while descending Mount Denali after a solo climb.27 October 1989 14Woburn, Massachusetts, U.S.Melanson went missing at a party near an industrial park and has not been seen since.

References

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