Within Ummo Photographs
The Man Behind the Ummo Hoax Claims
Jose Luis Jordan Pena's later statements became central to explanations that the Ummo phenomenon was a human-created deception.
On this page
- Pena's role in the Ummo story
- Confession and disputed details
- Impact on later investigations
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Introduction
José Luis Jordán Peña became the central figure in the modern explanation of the Ummo photographs of 1967 because he later claimed responsibility for creating the wider Ummo phenomenon and for staging the San José de Valderas images. His statements transformed the case from a disputed UFO photograph investigation into a major study of how a complex belief system could be constructed, circulated, and defended. According to Peña’s own accounts in the 1990s, the Ummo affair was a deliberate human creation intended as an experiment in belief and credulity, although some supporters of the extraterrestrial interpretation continued to dispute how much responsibility he could genuinely claim.[Wikipedia]WikipediaOpen source on wikipedia.org.
The importance of Peña’s role lies not only in the confession itself but in how his claims connected previously separate elements of the Ummo story: the anonymous letters, the alleged predictions of a spacecraft appearance, the San José de Valderas photographs, and the network of researchers and witnesses who promoted the case. His later statements became one of the strongest reasons many investigators concluded that the 1967 photographs were part of a planned hoax rather than evidence of an unknown aircraft.[Wikipedia]WikipediaOpen source on wikipedia.org.
Peña’s role in the Ummo story
From investigator to suspected architect
José Luis Jordán Peña was not originally viewed by many UFO enthusiasts as an obvious suspect. During the height of the Ummo controversy, he participated in investigations and discussions surrounding the phenomenon, gaining credibility among parts of the Spanish UFO community. His later identification as a possible creator of the deception was therefore significant because it placed a recognised participant inside the story rather than an outside critic.[Wikipedia]WikipediaOpen source on wikipedia.org.
The Ummo affair developed around a series of anonymous communications allegedly written by beings from a planet called Ummo. These documents contained elaborate scientific, philosophical, and social ideas and were distributed among selected recipients. The San José de Valderas photographs of 1967 gained additional importance because they appeared to confirm earlier Ummo-related claims about a possible appearance of a spacecraft near Madrid. Critics later argued that this connection was not independent evidence but part of a constructed narrative in which earlier claims prepared an audience to interpret the photographs as extraordinary.[Wikipedia]WikipediaOpen source on wikipedia.org.
Peña’s later explanation was that the phenomenon began as an experiment designed to test how easily people could accept an elaborate paranormal claim. In accounts attributed to him, he described Ummo as something that expanded beyond his original intentions, becoming a much larger movement involving many participants and interpretations.[El País]elpais.comOpen source on elpais.com.
The San José de Valderas photographs and Peña’s connection
The 1967 photographs became one of the most important pieces of evidence associated with Peña because later investigators linked him to the creation of the images. According to accounts published by researchers who interviewed him, Peña described the photographs as having been produced using a model rather than a real unknown object. Some investigators reported that the object was recreated using a small model suspended by a line, demonstrating that a similar photographic effect could be achieved by ordinary means.[elojocritico.info]elojocritico.infoUMM O: LA TEORíA DE LA CONSPIRACIÓN – El Ojo CriticoUMMO: LA TEORíA DE LA CONSPIRACIÓN – El Ojo CriticoSeptember 5, 2020…
This explanation matched earlier technical criticisms of the photographs. Independent analyses in the late 1970s had already raised doubts about the images, with some investigators concluding that the object resembled a model photographed at close range rather than a distant craft. Later reproduction attempts strengthened the argument that the images did not require an extraordinary explanation.[Wikipedia]WikipediaFalsificazioni in ufologiaFalsificazioni in ufologia
The significance of Peña’s involvement was therefore not simply that he offered a confession. His claims provided a possible mechanism for the entire sequence: a creator familiar with UFO expectations, an existing community ready to interpret ambiguous evidence, and a photograph capable of becoming a visual symbol of the wider story.[El País]elpais.comOpen source on elpais.com.
Confession and disputed details
The 1990s admissions
Peña’s most important public admissions came during the early 1990s. In correspondence with Rafael Farriols, a major figure in the Ummo community, Peña claimed responsibility for creating the Ummo deception. Letters dated April and May 1993 contain his assertions that he had constructed the affair and that the supposed extraterrestrial communications were not genuine messages from another civilisation.[UMMO Sciences]ummo-sciences.orgUMMO SciencesE50April 11, 1993…
In one of these letters, Peña presented his explanation as his own account of events, stating that he was the author of the deception. Other letters discussed the consequences of the phenomenon becoming too large and difficult to control.[UMMO Sciences]ummo-sciences.orgUMMO SciencesE50April 11, 1993…
His statements were later reinforced through interviews with researchers, including Manuel Carballal, who reported that Peña acknowledged creating Ummo as an experiment into human belief and described his involvement in the production of the famous photographs.[El País]elpais.comOpen source on elpais.com.
Why some researchers rejected Peña’s account
Although Peña’s claims influenced many investigators, they did not end all debate. Some supporters of Ummo argued that his confession contained contradictions and that a single person could not easily account for the enormous volume and technical complexity of the Ummo documents. The argument was that the material appeared too extensive, too detailed, or too internally developed to have been produced by one individual alone.[Ummo Wiki]ummowiki.frUmmo Wiki José Luis Jordán Peña — UMMO WIKIUmmo Wiki José Luis Jordán Peña — UMMO WIKI
Another dispute concerned the later Ummo communications. Critics of Peña’s confession pointed out that some material continued to appear after periods when his health problems would have made writing or organising such material more difficult. Supporters of the extraterrestrial interpretation used this as an argument that Peña could not have been responsible for every aspect of the phenomenon.[Wikipedia]WikipediaJosé Luis Jordán PeñaJosé Luis Jordán Peña
However, many sceptical investigators interpreted these problems differently. They argued that a large social phenomenon does not require a single author for every later development. Once an idea has spread, imitation, reinterpretation, and independent additions can continue without the original creator being directly involved.[Ummo Wiki]ummowiki.frUmmo Wiki José Luis Jordán Peña — UMMO WIKIUmmo Wiki José Luis Jordán Peña — UMMO WIKI
Impact on later investigations
A turning point in the assessment of the photographs
Peña’s claims changed the status of the Ummo photographs. Before the 1990s, the images were debated mainly as a technical question: what was the object, and could the photographs prove an unknown craft? After Peña’s statements, the central question shifted towards provenance: who created the images, how were they introduced into the UFO community, and why did they become persuasive?[El País]elpais.comOpen source on elpais.com.
This shift was important because photographic evidence depends heavily on its history. A photograph may be authentic as a physical object while still being misleading about what it depicts. In the Ummo case, investigators increasingly focused not only on image analysis but also on the chain of events surrounding the photographs: prior expectations, witness networks, publication history, and the involvement of people connected to the wider Ummo story.
The legacy of Peña’s claims
The lasting impact of Peña’s admissions is that they provided a human explanation for one of Spain’s most famous UFO cases. They did not convince every believer, and debates over the full authorship of all Ummo material continued, but they strongly influenced the prevailing interpretation among sceptical researchers: that the Ummo photographs were part of an elaborate hoax connected to a broader mythology rather than documentation of an extraterrestrial visit.[Wikipedia]WikipediaOpen source on wikipedia.org.
For the history of the 1967 photographs, Peña’s role remains the key disputed link between image, narrative, and deception. Whether viewed as the sole creator, a principal participant, or a controversial claimant to responsibility, he became the person whose statements most changed how later investigators understood the Ummo case.[Ummo Wiki]ummowiki.frUmmo Wiki José Luis Jordán Peña — UMMO WIKIUmmo Wiki José Luis Jordán Peña — UMMO WIKI
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Endnotes
1.
Source: Wikipedia
Link:https://es.wikipedia.org/wiki/Ummo
2.
Source: elojocritico.info
Title: UMM O: LA TEORíA DE LA CONSPIRACIÓN – El Ojo Critico
Link:https://elojocritico.info/ummo-la-teoria-de-la-conspiracion/
Source snippet
UMMO: LA TEORíA DE LA CONSPIRACIÓN – El Ojo CriticoSeptember 5, 2020...
Published: September 5, 2020
3.
Source: Wikipedia
Title: Falsificazioni in ufologia
Link:https://it.wikipedia.org/wiki/Falsificazioni_in_ufologia
4.
Source: ummo-sciences.org
Link:https://www.ummo-sciences.org/fr/data-E/E50.htm
Source snippet
UMMO SciencesE50April 11, 1993...
Published: April 11, 1993
5.
Source: ummo-sciences.org
Title: UMMO Sciences E52
Link:https://www.ummo-sciences.org/fr/data-E/E52.htm
6.
Source: ummo-sciences.org
Title: UMMO Sciences E51
Link:https://www.ummo-sciences.org/fr/data-E/E51.htm
7.
Source: Wikipedia
Title: José Luis Jordán Peña
Link:https://it.wikipedia.org/wiki/Jos%C3%A9_Luis_Jord%C3%A1n_Pe%C3%B1a
8.
Source: elojocritico.info
Title: JORDA N PEÑA: EL MENGELE DEL MISTERIO – El Ojo Critico
Link:https://elojocritico.info/jordan-pena-el-mengele-del-misterio/
9.
Source: elojocritico.info
Title: JOS E LUIS JORDÁN PEÑA: EL TERCER HOMBRE – El Ojo Critico
Link:https://elojocritico.info/jose-luis-jordan-pena-el-tercer-hombre/
10.
Source: elojocritico.info
Link:https://elojocritico.info/ummo-y-los-imitadores-ovni-el-caso-san-jose-de-valderas-gallego/
11.
Source: elojocritico.info
Title: UMM O: SECTAS, SEXO Y SERVICIOS SECRETOS – El Ojo Critico
Link:https://elojocritico.info/ummo-sectas-sexo-y-servicios-secretos/
12.
Source: ummo-sciences.org
Link:https://www.ummo-sciences.org/fr/data-E/E53.htm
13.
Source: ummo-sciences.org
Link:https://www.ummo-sciences.org/fr/data-E/E48.htm
14.
Source: ummo-sciences.org
Title: Analyse 22
Link:https://www.ummo-sciences.org/activ/analyses/ana22.htm
15.
Source: ummo-sciences.org
Link:https://www.ummo-sciences.org/activ/analyses/ana22-pena.htm
16.
Source: ummo-sciences.org
Title: art4 p2
Link:https://www.ummo-sciences.org/activ/art/art4-p2.htm
17.
Source: youtube.com
Title: Peña Confesses to Ummite Hoax
Link:https://www.youtube.com/watch?v=ZBBEttxf6Dg
Source snippet
The Ummo Affair...
18.
Source: youtube.com
Title: The Ummo Affair
Link:https://www.youtube.com/watch?v=c1kMFMQtXi0
Source snippet
The UMMO Letters - Part 1 | UFO Files...
19.
Source: elpais.com
Link:https://elpais.com/elpais/2019/08/29/icon/1567087063_903049.html?outputType=amp
20.
Source: ummowiki.fr
Title: Ummo Wiki José Luis Jordán Peña — UMMO WIKI
Link:https://www.ummowiki.fr/index.php/Jos%C3%A9_Luis_Jord%C3%A1n_Pe%C3%B1a
21.
Source: ublegend.com
Link:https://ublegend.com/en/space_mysteries/aliens/ummo/
Additional References
22.
Source: aliencontactinfo.fr
Title: José Luis Jordán Peña: homme-clé ou faux coupable de l’affaire Ummo?
Link:https://aliencontactinfo.fr/jose-luis-jordan-pena-homme-cle-ou-faux-coupable-de-laffaire-ummo/
Source snippet
Alien Contact Info FRApril 28, 2026 — Image: Jose Luis Jordan Pena JOSÉ LUIS JORDÁN PEÑA: HOMME-CLÉ OU FAUX COUPABLE DE L’AFFAIRE UMMO...
Published: April 28, 2026
23.
Source: youtube.com
Link:https://www.youtube.com/watch?v=2oni2bsUSQs
Source snippet
The UMMO Letters - Part 1 | UFO Files The UMMO Letters - Part 1 | UFO Files Covert Trails...
24.
Source: inexplicata.blogspot.com
Link:https://inexplicata.blogspot.com/2006/11/ummo-at-bay-jose-luis-jordan-pea.html
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Source: manuelcarballal-ovnis.com
Link:https://www.manuelcarballal-ovnis.com/2020/03/manuel-carballal-entrevista-para-la.html
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Source: es-academic.com
Link:https://es-academic.com/dic.nsf/eswiki/1181340/
27.
Source: academia-lab.com
Link:https://academia-lab.com/encyclopedia/ummo/
28.
Source: zona-enigmatica.webnode.es
Link:https://zona-enigmatica.webnode.es/el-caso-ummo/
29.
Source: youtube.com
Title: The UMMO Letters
Link:https://www.youtube.com/watch?v=kCAxghl-P4o
Source snippet
The Alien Warning: Why the Ummo Visited Earth in 1950...
30.
Source: galacticanthropologysidenotes.wordpress.com
Title: people are strange unusual cults examined by scott corrales from the web archive
Link:https://galacticanthropologysidenotes.wordpress.com/2026/04/26/people-are-strange-unusual-cults-examined-by-scott-corrales-from-the-web-archive/
31.
Source: gettyimages.co.uk
Link:https://www.gettyimages.co.uk/detail/news-photo/four-models-stand-in-a-high-ceilinged-apartment-in-paris-news-photo/1131169849