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Igor and Grichka Bogdanoff

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In this name that follows Eastern Slavic naming customs, the patronymic is Yourievitch and the family name is Bogdanoff.

Igor and Grichka Bogdanoff
Igor (left) and Grichka (right) in 2016
Born
Igor Youriévitch Bogdanoff
Grégoire Youriévitch Bogdanoff

(1949-08-29)29 August 1949
Saint-Lary, Gers, France
DiedIgor: 3 January 2022(2022-01-03) (aged 72)
Grichka: 28 December 2021(2021-12-28) (aged 72)
Paris, France
Other names
  • Bogdanoff twins
OccupationMedia personalities
Years active1976-2022
Known for
Alma materUniversity of Burgundy
Scientific career
FieldsTheoretical physics
Thesis Fluctuations quantiques de la signature de la métrique à l'échelle de Planck  (1999)
Doctoral advisorMoshé Flato [fr], Daniel Sternheimer

Igor Youriévitch Bogdanoff (French pronunciation: [iɡɔʁ juʁi.evitʃ bɔɡdanɔf]; 29 August 1949 – 3 January 2022) and Grégoire "Grichka" Youriévitch Bogdanoff (French: [ɡʁeɡwaʁ ɡʁiʃka]; 29 August 1949 – 28 December 2021), alternatively spelled Bogdanov, were French twin television presenters,[1] producers, and essayists who presented a variety of programmes in science fiction, popular science, and cosmology. They were involved in a number of controversies, the most notable being the Bogdanov affair. It brought to light how they received Ph.D. degrees[2] based on largely nonsensical physics papers that were nonetheless peer-reviewed and published in reputable scientific journals.[2] In their later years, they were also the subject of numerous internet memes, particularly in the cryptocurrency community.

Early life and disputed claims about ancestry

[edit]
The twins' maternal grandmother, Countess Bertha Kolowrat-Krakowská

The identical twin brothers Igor and Grichka Bogdanoff were born to Maria "Maya" Dolores Franzyska Kolowrat-Krakowská (1926–1982), of Bohemian and Polish descent, and Yuri "Youri" Mikhaïlovitch Bogdanoff (1928–2012),[3] an itinerant Russian emigré farm worker and later painter; Igor was born 40 minutes before Grichka. The twins' parents divorced shortly after their birth, and they were mainly raised by their maternal grandmother Bertha Kolowrat-Krakowská at her castle in Saint-Lary. Their mother was born from an extramarital affair between Bertha (at the time married to Count Hieronymus Colloredo-Mannsfeld[4][5]) and African-American tenor Roland Hayes: their affair caused a major scandal and cost Bertha her title, access to her four elder children, palatial homes in Berlin and Prague, as well as her status in European high society. Bertha tried to sustain her relationship with Hayes after her divorce and his return to the United States, but declined his offer to legally adopt and raise their daughter.[5]

The Bogdanoff twins made many grandiose and unsubstantiated claims about their early lives and ancestry: they claimed to have received IQ scores above 190 as children,[6] and that their father was "the descendant of a prince, the right arm of Tsar Peter the Great"[7] with ancestral links to a noble Muslim Tatar Mirza from Penza that converted to Orthodox Christianity in exchange for a royal title from Tsar Feodor III[8][9][citation needed]. Genealogist William Addams Reitwiesner found little evidence for this, noting that "Other than a statement by Dr. Stanislaus Dumin (included in a message posted by the twins on 7 January 2005 to the alt.talk.royalty Usenet newsgroup) there isn't much evidence to support this claim."[10]

They made similarly grandiose claims about how their parents met, claiming that Yuri was "a young artist (...) (who) followed 'a solid training as a painter as a free auditor at the Beaux-Arts'", and that "a 'famous writer' (...) introduced Yuri to their grandmother." These claims were the subject of extensive research by journalist Maud Guillaumin for the novel Le mystère Bogdanoff (L'Archipel, 2019), who concluded that the claims were rife with "approximations and historical inaccuracies": in reality, Guillaumin found out that Yuri Bogdanoff, in his teenage years, had first travelled to Spain from the Soviet Union and found himself unable to return on pain of being declared a spy and imprisoned. Contrary to the twins' claims, their father had instead begun "a life of wandering from farm to Pyrenean farm" as a labourer after arriving in France before eventually finding employment at Bertha's castle residence in 1948, which is where he met Maya. In an interview with the twins' godmother, Monique David, it was further established by Guillaumin that the twins' mother was already pregnant at the time of her marriage to Yuri, and that Bertha considered them an unworthy match. She "chased him away", leading to their subsequent divorce and his absence from the twins' lives until they were ten years old.[11][7]

Television shows

[edit]
Grichka (left) and Igor (right) in the 1990s

The brothers began careers in television, hosting several popular programs on science and science fiction.[2][12][13] The first of these, Temps X (Time X), ran from 1979 to 1989[12][14] and introduced several British and American science-fiction series to the French public, including The Prisoner, Star Trek, and Doctor Who, in addition to featuring musical guests such as Jean-Michel Jarre.[15]

In 2002, the Bogdanoffs launched a new weekly television show, Rayons X (X Rays), on the French public channel France 2. In August 2004, they presented a 90-minute special cosmology program.[16]

Academic careers

[edit]

Grichka Bogdanoff received a Ph.D. degree in mathematics from the University of Burgundy (Dijon) in 1999.[17][2] In 2002, Igor Bogdanoff received a Ph.D. in theoretical physics from the University of Burgundy.[2] Both brothers received the lowest passing grade of "honorable".[2]

Bogdanov affair

[edit]
Main article: Bogdanov affair
Grichka (right) and Igor (left) Bogdanoff in 2010

In 2001 and 2002, the brothers published five papers (including "Topological field theory of the initial singularity of spacetime") in peer-reviewed physics journals.[18][19] Controversy over the Bogdanoffs' work began on 22 October 2002, with an email sent by University of Tours physicist Max Niedermaier to University of Pittsburgh physicist Ezra T. Newman.[20] Niedermaier suggested that the Bogdanoffs' Ph.D. theses and papers were "spoof[s]", created by throwing together instances of theoretical-physics jargon, including terminology from string theory: "The abstracts are delightfully meaningless combinations of buzzwords ... which apparently have been taken seriously."[20][21]

Copies of the email reached American mathematical physicist John C. Baez, and on 23 October he created a discussion thread about the Bogdanoffs' work on the Usenet newsgroup sci.physics.research, titled "Physics bitten by reverse Alan Sokal hoax?"[12][22] Baez was comparing the Bogdanoffs' publications to the 1996 Sokal affair, in which physicist Alan Sokal successfully submitted an intentionally nonsensical paper to a cultural studies journal in order to criticize that field's lax standards for discussing science. The Bogdanoffs quickly became a popular discussion topic, with most respondents agreeing that the papers were flawed.[19]

The story spread in public media, prompting Niedermaier to offer an apology to the Bogdanoffs, admitting that he had not read the papers himself. The Bogdanoffs' background in entertainment lent some plausibility to the idea that they were attempting a deliberate hoax, but Igor Bogdanoff quickly denied the accusation.[2][19]

In October 2002, the Bogdanoffs released an email containing apparently supportive statements by Laurent Freidel, then a visiting professor at the Perimeter Institute for Theoretical Physics.[12] Soon after, Freidel denied writing any such remarks, telling the press that he had forwarded a message containing that text to a friend.[12]

The online discussion was quickly followed by media attention. The Register reported on the dispute on 1 November 2002,[23] and stories in The Chronicle of Higher Education,[12] Nature,[20] The New York Times,[2] and other publications appeared soon after.[24][25] These news stories included commentary by physicists.

One of the scientists who approved Igor Bogdanoff's thesis, Roman Jackiw of the Massachusetts Institute of Technology, spoke to The New York Times reporter Dennis Overbye. Overbye wrote that Jackiw was intrigued by the thesis, although it contained many points he did not understand. Jackiw defended the thesis.[2] In contrast, Ignatios Antoniadis (of the École Polytechnique), who approved Grichka Bogdanoff's thesis, later reversed his judgment of it. Antoniadis told Le Monde:

I had given a favorable opinion for Grichka's defense, based on a rapid and indulgent reading of the thesis text. Alas, I was completely mistaken. The scientific language was just an appearance behind which hid incompetence and ignorance of even basic physics.[24]

The journal Classical and Quantum Gravity (CQG) published one of the Bogdanoffs' papers, titled "Topological field theory of the initial singularity of spacetime";[26] Ian Russell, assistant director of its journals division, later issued a statement stating that "we deployed our standard peer-review process on that paper."[12] After the publication of the article and the publicity surrounding the controversy, mathematician Greg Kuperberg posted to Usenet a statement written by the journal's senior publisher, Andrew Wray, and its co-editor, Hermann Nicolai. The statement read, in part,

Regrettably, despite the best efforts, the refereeing process cannot be 100% effective. Thus the paper ... made it through the review process even though, in retrospect, it does not meet the standards expected of articles in this journal... The paper was discussed extensively at the annual Editorial Board meeting ... and there was general agreement that it should not have been published. Since then several steps have been taken to further improve the peer review process in order to improve the quality assessment on articles submitted to the journal and reduce the likelihood that this could happen again.[27]

The statement was quoted in The New York Times,[2] The Chronicle of Higher Education,[12] and Nature.[20] Moreover, Die Zeit quoted Nicolai as saying that had the paper reached his desk, he would have immediately rejected it.[25]

The Chinese Journal of Physics published Igor Bogdanoff's "The KMS state of spacetime at the Planck scale", while Nuovo Cimento published "KMS space-time at the Planck scale". According to physicist Arun Bala, all of these papers "involved purported applications of quantum theory to understand processes at the dawn of the universe", but ultimately turned out to be a "hoax perpetrated on the physics community."[26]

Not all review evaluations were positive. Eli Hawkins, acting as a referee on behalf of the Journal of Physics A, suggested rejecting one of the Bogdanoffs' papers: "It would take up too much space to enumerate all the mistakes: indeed it is difficult to say where one error ends and the next begins."[28]

Eventually, the controversy attracted mainstream media attention, opening new avenues for physicists' comments to be disseminated. Le Monde quoted Alain Connes, recipient of the 1982 Fields Medal, as saying, "I didn't need long to convince myself that they're talking about things that they haven't mastered."[24] The New York Times reported that the physicists David Gross, Carlo Rovelli, and Lee Smolin considered the Bogdanoff papers nonsensical.[2] Nobel laureate Georges Charpak later stated on a French talk show that the Bogdanoffs' presence in the scientific community was "nonexistent".[29][30]

Robert Oeckl's official MathSciNet review of "Topological field theory of the initial singularity of spacetime" states that the paper is "rife with nonsensical or meaningless statements and suffers from a serious lack of coherence", follows up with several examples to illustrate his point, and concludes that the paper "falls short of scientific standards and appears to have no meaningful content."[31] An official report from the Centre national de la recherche scientifique (CNRS), which became public in 2010, concluded that the paper "ne peut en aucune façon être qualifié de contribution scientifique" ("cannot in any way be considered a scientific contribution").[32][33]

The CNRS report summarized the Bogdanoffs' theses thus: "Ces thèses n’ont pas de valeur scientifique. […] Rarement aura-t-on vu un travail creux habillé avec une telle sophistication" ("These theses have no scientific value. [...] Rarely have we seen a hollow work dressed with such sophistication").[34][35]

Lawsuits

[edit]

On December 30, 2004, the Bogdanoffs sued Ciel et Espace for defamation over the publication of a critical article titled "The Mystification of the Bogdanoffs".[36] In September 2006, the case was dismissed after the Bogdanoffs missed court deadlines; they were ordered to pay €2,500 to the magazine's publisher to cover its legal costs.[36][37] There was never a substantive ruling on whether or not the Bogdanoffs had been defamed.[37]

Alain Riazuelo, an astrophysicist at the Institut d'Astrophysique de Paris, participated in many of the online discussions of the Bogdanoffs' work. He posted an unpublished version of Grichka Bogdanoff's Ph.D. thesis on his personal website, along with his critical analysis. Bogdanoff subsequently described this version as "dating from 1991 and too unfinished to be made public". Rather than suing Riazuelo for defamation, Bogdanoff filed a criminal complaint of copyright (droit d'auteur) violation against him in May 2011.[38]

The police detained and interrogated Riazuelo. He was convicted in March 2012. A fine of €2,000 the court imposed was suspended, and only €1.00 of damages was awarded,[38] but in passing judgement the court stated that the scientist had "lacked prudence", given "the fame of the plaintiff".[39]

The verdict outraged many scientists, who felt that the police and courts should have no say in a discussion of the scientific merits of a piece of work. In April 2012, a group of 170 scientists published an open letter titled L'affaire Bogdanoff: Liberté, Science et Justice, Des scientifiques revendiquent leur droit au blâme (The Bogdanoff Affair: Liberty, Science and Justice, scientists claim their right of critique).[40]

In 2014, the Bogdanoffs sued the weekly magazine Marianne for defamation, on account of reporting the magazine had published in 2010[41] which had brought the CNRS report to light. The magazine was eventually ordered to pay €64,000 in damages, much less than the €800,000 each which the Bogdanoffs had originally demanded.[42] The Bogdanoffs also sued the CNRS for €1.2 million in damages, claiming that the CNRS report had "porté atteinte à leur honneur, à leur réputation et à leur crédit" ("undermined their honor, reputation and credit") and calling the report committee a "Stasi scientifique", but a tribunal ruled against them in 2015 and ordered them to pay €2,000.[35][43]

Megatrend University

[edit]

In 2005, the Bogdanoffs became professors at Megatrend University, a diploma mill from Belgrade, where they were appointed to Chairs of Cosmology and made directors of the 'Megatrend Laboratory of Cosmology'.[44][45] Mića Jovanović, the rector and owner of Megatrend University, wrote a preface for the Serbian edition of Avant le Big Bang.[45] Jovanović himself later became embroiled in controversy and resigned his post, when he was found out to not have obtained a Ph.D. at the London School of Economics as he had claimed.[46] This scandal, combined with the presence of the Bogdanoffs, contributed to an atmosphere of controversy surrounding Megatrend.[47]

Personal lives

[edit]

The Bogdanoff twins, who denied having undergone plastic surgery,[48] became known for their prominent cheekbones and chins. In 2010, The Sydney Morning Herald described the twins' cheekbones as "so high and bulbous as to appear to threaten their owners' vision", adding that the twins' appearance at the Cannes Film Festival had "caused a stir around the world". The Herald noted that the twins' cheekbones had become noticeably larger in the 1990s, and that "growth in their lips and chins continued unabated through the last decade".[49] According to former education minister Luc Ferry, a friend of the brothers, they had both received botox injections for cosmetic treatment.[15]

The twins became popular Internet memes, especially among enthusiasts of cryptocurrency, jokingly depicting the Bogdanoffs as "all-powerful market makers". Their status as "crypto memes" was covered by several outlets upon their deaths, including CNN, Business Insider, and The Daily Telegraph.[28][50][51] The twins "went along with their meme fame", according to Business Insider, and said they predicted cryptocurrency in the 1980s on Temps X.[51]

Besides French, they spoke German, Russian, and English.[52]

Igor Bogdanoff had six children, four from his first marriage and two from his second.[53] He married his second wife, Princess Amélie of Bourbon-Parma, daughter of Prince Michel of Bourbon-Parma, civilly in Paris on 1 October 2009 and religiously in Chambord two days later.[54] Grichka was in a relationship with a woman named Chaymae at the time of his death, but never married and had no children.[55] The twins declared having been diagnosed with Asperger syndrome,[56] however that has never been confirmed.

Deaths

[edit]

The Bogdanoff twins were both hospitalized, at the Georges Pompidou European Hospital in Paris,[57] in critical condition on 15 December 2021, after contracting COVID-19. Grichka died on 28 December,[58] and Igor died six days later, on 3 January 2022.[59] They were 72 and both were intentionally unvaccinated.[60][61][15] The funeral for both twins was held on 10 January 2022, in the Church of the Madeleine, in Paris, France.[62]

Publications

[edit]

The Bogdanoff brothers published a number of works in science fiction, philosophy and popular science. Since 1991, they signed their books as "Bogdanov", preferring "v" to "ff".

  • Clefs pour la science-fiction (essay), Éditions Seghers, 378 p., Paris, 1976 [ISBN missing], BNF:34707099q.
  • L'Effet science-fiction: à la recherche d'une définition (essay), Éditions Robert Laffont, Paris, 1979, 423 p., ISBN 978-2-221-00411-1, BNF:34650185 g.
  • Chroniques du "Temps X" (preface by Gérard Klein), Éditions du Guépard, Paris, 1981, 247 p., ISBN 978-2-86527-030-9, BNF: 34734883f.
  • La Machine fantôme, Éditions J'ai lu, 1985, 251 p., ISBN 978-2-277-21921-7, BNF:34842073t.
  • La Mémoire double (novel), first as hardcover on Éditions Hachette, Paris, 1985, 381 p., ISBN 978-2-01-011494-6, BNF:348362498; then as pocket book
  • Dieu et la science: vers le métaréalisme (interviews with Jean Guitton): Hardcover Éditions Grasset, Paris, 1991, 195 p., ISBN 978-2-246-42411-6, BNF: 35458968t; then as a pocketbook
  • Avant le Big Bang: la création du monde (essay), 2004[63]
  • Voyage vers l'Instant Zéro, Éditions EPA, Paris, 2006, 185 p., ISBN 978-2-85120-635-0, BNF: 40986028h.
  • Nous ne sommes pas seuls dans l'univers, Éditions EPA, Paris, 2007, 191 p., ISBN 978-2-85120-664-0, BNF: 411885989.
  • Au commencement du temps, Éditions Flammarion, Paris, 2009, 317 p., ISBN 978-2-08-120832-2, BNF: 420019981.
  • Le Visage de Dieu, (with a preface by Robert Woodrow Wilson and endnotes by Jim Peebles, Robert Woodrow Wilson and John Mather, Éditions Grasset, Paris, May 2010, 282 p., ISBN 978-2-246-77231-6, BNF: 42207600f.
  • Le Dernier Jour des dinosaures Éditions de la Martinière, Octobre 2011, ISBN 978-2732447100
  • La Pensée de Dieu, (with endnotes by Luis Gonzalez-Mestres), Éditions Grasset, Paris, June 2012, ISBN 978-2-246-78509-5
  • Le mystère du satellite Planck (Qu'y avait-il avant le Big Bang ?) (with preface and endnotes by Luis Gonzalez-Mestres, Éditions Eyrolles, June 2013, ISBN 978-2-212-55732-9
  • La Fin du hasard, Éditions Grasset, Paris, Octobre 2013, ISBN 978-2-246-80990-6
  • 3 minutes pour comprendre la grande théorie du Big Bang (preface by John Mather, end notes by Luis Gonzalez-Mestres, Éditions Le Courrier du Livre, October 2014, ISBN 978-2702911211

References

[edit]
  1. ^ Luis Gonzalez-Mestres, L'Énigme Bogdanov, Éditions Télémaque, Paris, 2015, 320 p., ISBN 978-2-7533-0266-2
  2. ^ a b c d e f g h i j k Overbye, Dennis (9 November 2002). "Are They a) Geniuses or b) Jokers?; French Physicists' Cosmic Theory Creates a Big Bang of Its Own". The New York Times. p. B2.
  3. ^ "Youra Bogdanoff, père des célèbres frères Igor et Grishka Bogdanoff est décédé cette semaine. D'origine russe, il était né le 28 janvier 1928 à Saint-Pétersbourg. Artiste-peintre, il s'était établi à Saint-Lary avec son épouse Maya, avant la naissance de leurs premiers enfants, Igor et Grichka. Les frères Bogdanoff ont quatre frères et sœurs plus jeunes : François, Laurence, Géraldine et Véronique. Un recueillement en sa mémoire aura lieu le mercredi 8 août, à 11 heures, au cimetière de Saint-Lary. La Dépêche du Midi présente ses condoléances à la famille (Youra Bogdanof)" [father of famous brothers Igor and Grishka Bogdanoff died this week. Of Russian origin, he was born on 28 January 1928 in Saint Petersburg. Artist-painter, he had settled in Saint-Lary with his wife Maya, before the birth of their first children, Igor and Grichka. The Bogdanoff brothers have four younger siblings: François, Laurence, Géraldine and Véronique. A meditation in his memory will take place on Wednesday 8 August, at 11 a.m., at the Saint-Lary cemetery. La Dépêche du Midi presents its condolences to the family]. ladepeche.fr.
  4. ^ Genealogisches Handbuch des Adels, Fürstliche Häuser XIX. "Colloredo-Mannsfeld". C.A. Starke Verlag, 2011, pp. 127–29. (in German); ISBN 978-3-7980-0849-6
  5. ^ a b Brooks, Christopher A. Roland Hayes: The Legacy of an American Tenor. Indiana University Press. Bloomington. 2015. pp. 358, 361–62, 366–67, 379; ISBN 978-0-253-01536-5
  6. ^ Risen, Clay (7 January 2022). "Grichka and Igor Bogdanoff, Twins in an Uneasy Spotlight, Die at 72". New York Times. Archived from the original on 8 January 2022. Retrieved 20 March 2024.
  7. ^ a b Maud Guillaumin (2019). Le mystère Bogdanoff. L'Archipel. ISBN 9782809824681.
  8. ^ Après consultation de tous les nobiliaires faisant autorité, aucun ne mentionne une quelconque famille de prince Bogdanoff : Patrick de Gmeline. « Dictionnaire de la noblesse russe ». Éditions Contrepoint, 1978, Almanach de Gotha 1918, Almanach de Gotha 1940, Almanach de Gotha, 2013.
  9. ^ Cependant, cela ne les prive pas théoriquement de la possibilité de confirmer à nouveau leur droit au titre de prince sur les voies de la grâce du chef de la maison impériale de Russie (selon plusieurs exemples connus) : les Bogdanoff sont de nouveau cités comme famille princière en 1906 dans des dictionnaires généalogiques russes. La reconnaissance par le chef de la maison souveraine royale de Georgie, Irakli Bagration-Mukhraneli, des droits de Youra Bogdanoff au titre de prince serait considérée en elle-même comme une raison juridique suffisante à sa confirmation dans la dignité princière au sein de l'empire de Russie. Un tel document confirmerait en effet du point de vue juridique la dignité princière et fixerait la tradition généalogique familiale de cette famille. C'est pourquoi Igor et Grichka Bogdanoff, ainsi que les enfants légitimes d'Igor, s'octroient le droit d'user aujourd'hui des titres de princes et princesses Bogdanoff (voir Lettre du Dr Stanislaw W. Dumin, président de la Fédération Russe de Généalogie et de la Société d'Histoire et de Généalogie à Moscou, Secrétaire général de l'Académie Internationale de Généalogie, et du prince Vadime Lopoukhine, vice-président de l'Assemblée de la Noblesse Russe: Certificat quant aux droits de Youri Mikhailovitch Bogdanoff et de sa descendance à la dignité et au titre princier. 25 décembre 2001 Archived 17 March 2016 at archive.today
  10. ^ "Ancestry of Igor and Grichka Bogdanov". wargs.com.
  11. ^ "Igor et Grischka Bogdanoff : le triste destin de leur pèr... - Closer". closermag.fr. 24 February 2019.
  12. ^ a b c d e f g h Richard Monastersky (5 November 2002). "The Emperor's New Science: French TV Stars Rock the World of Theoretical Physics". The Chronicle of Higher Education. Retrieved 11 January 2021.
  13. ^ Johnson, George (17 November 2002). "Ideas & Trends: In Theory, It's True (Or Not)". The New York Times. p. 4004004.
  14. ^ Schubert, Frank (14 June 2008). "Eine Nullnummer". Spektrum.de. Retrieved 11 January 2021.
  15. ^ a b c "France's Bogdanoff TV twins die of Covid six days apart". bbc.co.uk. 4 January 2022. Retrieved 4 January 2022.
  16. ^ Fossé, David (October 2004). "La mystification Bogdanov" (PDF). Ciel et Espace (in French). pp. 52–55. Archived from the original (PDF) on 23 September 2018. Retrieved 21 July 2019.
  17. ^ Grichka Bogdanoff (1999). Fluctuations quantiques de la signature de la métrique à l'échelle de Planck (entry in the French academic library directory) (doctorate in mathematics). Supervised by Daniel Sternheimer. University of Burgundy.
  18. ^ "INSPIRE-HEP citation information for Bogdanov papers". INSPIRE-HEP. Retrieved 24 February 2018.
  19. ^ a b c "Publish and perish". The Economist. 16 November 2002.
  20. ^ a b c d Butler, Declan (2002). "Theses spark twin dilemma for physicists". Nature. 420 (5): 5. Bibcode:2002Natur.420Q...5B. doi:10.1038/420005a. PMID 12422173.
  21. ^ Muir, Hazel (16 November 2002). "Twins raise ruckus". New Scientist. p. 6. Retrieved 11 July 2019.
  22. ^ John Baez (24 October 2002). "Physics bitten by reverse Alan Sokal hoax?". Newsgroup: sci.physics.research. Usenet: ap7tq6$eme$1@glue.ucr.edu.
  23. ^ Orlowski, Andrew (1 November 2002). "Physics hoaxers discover Quantum Bogosity". The Register. Retrieved 27 February 2018.
  24. ^ a b c Hervé Morin (19 December 2002). "La réputation scientifique contestée des frères Bogdanov". Le Monde (in French). Retrieved 11 January 2021.
  25. ^ a b (in German) Christoph Drösser, Ulrich Schnabel. "Die Märchen der Gebrüder Bogdanov" ("Fairy tales of the Brothers Bogdanov") Die Zeit (2002), issue 46.
  26. ^ a b Arun Bala (2016). Complementarity Beyond Physics: Niels Bohr's Parallels. Palgrave MacMillan. pp. 26–27.
  27. ^ Kuperberg, Greg (1 November 2002). "If not a hoax, it's still an embarrassment". Newsgroup: sci.physics.research. Usenet: apu93q$2a2$1@conifold.math.ucdavis.edu. Retrieved 21 July 2019.
  28. ^ a b "Igor and Grichka Bogdanoff, eccentric French TV star twins at the centre of a notorious scientific controversy – obituary". The Daily Telegraph. 4 January 2022. Archived from the original on 12 January 2022. Retrieved 4 January 2022.
  29. ^ France 2 TV talk show, Tout le monde en parle, 12 June 2004. See Riché, Pascal (30 September 2010). "Quand Charpak parlait de son Nobel (et faisait le mariole)". L'Obs (in French). Retrieved 21 November 2018.
  30. ^ "Les frères Bogdanov, la science et les médias". Acrimed (in French). 29 November 2004. Retrieved 11 January 2021.
  31. ^ Oeckl, Robert. "Review of 'Topological field theory of the initial singularity of spacetime'". MathSciNet. MR 1894907. {{cite journal}}: Cite journal requires |journal= (help)
  32. ^ Huet, Sylvestre (15 October 2010). "Un document accablant pour les Bogdanov". Libération (in French). Archived from the original on 12 July 2019. Retrieved 21 July 2019.
  33. ^ "Rapport sur l'article "Topological field theory of the initial singularity of spacetime"" (PDF). Archived from the original (PDF) on 21 July 2019. Retrieved 21 July 2019.
  34. ^ Parienté, Jonathan (16 October 2010). "Les jumeaux Bogdanov étrillés par le CNRS". En quête de sciences (in French). Le Monde. Archived from the original on 20 April 2011. Retrieved 24 February 2018.
  35. ^ a b "Les Bogdanov réclamaient un million, ils sont condamnés à payer 2000 euros". L'Express (in French). 2 July 2015. Retrieved 25 February 2018.
  36. ^ a b "Les frères Bogdanov condamnés". Ciel et Espace (in French). October 2006. Archived from the original on 17 November 2006. Retrieved 7 October 2006.
  37. ^ a b "Fin du litige avec Ciel et Espace". L'Obs (in French). 14 October 2006. Retrieved 25 February 2018.
  38. ^ a b Huet, Sylvestre (15 March 2012). "Un curieux jugement pour les frères Bogdanov". Libération (in French). Archived from the original on 12 July 2019. Retrieved 12 July 2019.
  39. ^ Foucart, Stéphane (20 April 2012). "Les chercheurs et la menace Bogdanov (Researchers and the Bogdanov threat)". Le Monde (in French).
  40. ^ "Frères Bogdanov : 170 scientifiques réclament le droit de les critiquer" [Bogdanov brothers: 170 scientists claim the right of critique]. Le Nouvel Observateur (in French). 26 April 2012.
  41. ^ Gathié, Nathalie (16 October 2010). "Le vrai visage des Bogdanoff". Marianne (in French). Vol. 74. p. 62.
  42. ^ "Les frères Bogdanov font condamner "Marianne"". Le Point (in French). 21 May 2014. Retrieved 21 July 2019.
  43. ^ Auffret, Simon (27 June 2018). "Igor et Grichka Bogdanov, 40 ans d'affaires et de succès populaires". Le Monde (in French). Retrieved 22 July 2019.
  44. ^ "Prof. Grichka Bogdanoff, PhD & Prof. Igor Bogdanoff, PhD". Megatrend University. Archived from the original on 14 July 2014. Retrieved 27 February 2018.
  45. ^ a b Оташевић, Ана (10 June 2014). Како је Мића ректор постао космолог. politika.rs (in Serbian). Retrieved 27 February 2018.
  46. ^ Robinson, Matt (23 June 2014). "The minister, his mentor and the fight against a suspect system in Serbia". Reuters. Archived from the original on 24 November 2017. Retrieved 27 February 2018.
  47. ^ Subasic, Katarina (26 June 2014). "Bogus academic claims tarnish Serbia's ivory tower". Yahoo! News. Agence France-Presse. Archived from the original on 28 February 2018. Retrieved 27 February 2018.
  48. ^ "France's Bogdanoff TV twins die of Covid six days apart". BBC News. 4 January 2022. Retrieved 27 March 2022.
  49. ^ Robinson, Georgina (21 May 2012). "Who are those jaw-dropping twins?". Sydney Morning Herald. Retrieved 18 September 2021.
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  52. ^ Mustafa, Filiz (29 December 2021). "Bogdanoff twins before surgery look explored as Grichka and Igor die at 72". HITC. Retrieved 4 January 2022.
  53. ^ Média, Prisma (12 February 2015). "Igor Bogdanov, six fois papa". Gala.fr (in French). Retrieved 1 January 2022.
  54. ^ "Igor convole à Chambord". ladepeche.fr (in French). Retrieved 1 January 2022.
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Sources

[edit]
  • Luboš Motl, L'équation Bogdanoff: le secret de l'origine de l'univers?, translated from English by Sonia Quémener, Marc Lenoir and Laurent Martein; Preface by Clóvis de Matos, Presses de la Renaissance, Paris, 2008, 237 pp., ISBN 978-2-7509-0386-2, BnF 411908225
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