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Template:Infobox Non-profit

Architects & Engineers for 9/11 Truth is a U.S.-American tax-exempt[1], non-profit[2] organization that disputes the results of official investigations into the September 11 attacks, including the 9/11 Commission Report.[3][4] It advocates that the World Trade Center was destroyed by explosive demolition, a 9/11 conspiracy theory.[5] The group, which was founded in 2006, demands that the United States Congress pursue "a truly independent investigation" into the September 11 attacks, and says that the investigations into the collapse of the World Trade Center conducted by government agencies have not addressed what it sees as "massive evidence for explosive demolition." Specialists in structural mechanics and structural engineering generally accept the model of a fire-induced, gravity-driven collapse of the World Trade Center buildings, an explanation that does not involve the use of explosives.[6]




Richard Gage, a San Francisco Bay area based architect,[7] founded Architects & Engineers for 9/11 Truth in 2006.[8] Gage, who is a member of the American Institute of Architects,[2] has worked as an architect for twenty years and was involved in the construction of numerous fireproof steel-frame buildings.[9] He became convinced of the need to create an organization that brings together architects and engineers when he listened to an independent radio station interviewing the theologian David Ray Griffin.[8]

The organization is collecting signatures for a petition that demands an independent investigation with subpoena power of the September 11 attacks, specifically the collapse of the World Trade Center towers and 7 WTC.[2][10] By September 2010, 1,270 architectural and engineering professionals[11] and, according to the organization's website, 9,467 other supporters had signed the petition.[12][13] According to the organization, the identities of all licenced architects and engineers as well as those of other supporters whose names are being published on its website are subject to verification.[14] Architects & Engineers for 9/11 Truth publishes The Blueprint, a periodic e-mail newsletter.[12]

Gage has given speeches at conferences organized by supporters of the 9/11 Truth movement[15] in various locations in the United States[16] and Canada,[17][18] and has presented his multimedia talk "9/11 Blueprint for Truth – The Architecture of Destruction" in 14 countries.[19] His presentations focus on the sequence of events leading to the destruction of the World Trade Center buildings and include videos of their collapses and footage of other high-rise building fires.[16] He went on a tour of European countries in 2008[20] and gave speeches in Australia, New Zealand and Japan in 2009.[21] In 2009, Architects & Engineers for 9/11 Truth had a booth at the annual convention of the American Institute of Architects.[22]

The controversial two-hour movie 9/11 Blueprint for Truth, popular among members of the 9/11 Truth movement, is based on a presentation given by Richard Gage in Canada.[7] Gage was also interviewed for an episode of the BBC television program The Conspiracy Files,[23] as well as for a documentary produced by the Canadian television news magazine The Fifth Estate.[24][25][26]


Architects & Engineers for 9/11 Truth members argue that the buildings of the World Trade Center could not have collapsed only because of the impact of the planes,[27][28] or as a result of the fires that had been caused by them,[13] and claim to have identified evidence pointing to an explosive demolition of the World Trade Center buildings.[29] The group does not blame any particular individuals or organizations for the September 11 attacks.[30][31] However, Gage also said that, if the destruction of the World Trade Center was the result of a controlled demolition, this would mean that part of what happened on September 11, 2001, would have been planned by "some sort of an inside group".[32] According to Gage, an elevator modernisation program that had taken place before the attacks would have provided an opportunity to get access to the core areas of the WTC towers without creating suspicion.[33]

The organization has compiled a list of criteria for a controlled demolition that it says the collapse of the World Trade Center meets: the destruction followed the path of greatest resistance, the debris was symmetrically distributed, the rapid onset of the destruction, explosions and flashes reported by witnesses, steel elements were expelled from the building at high speed, the pulverization of the concrete, expanding pyroclastic clouds, lack of pancaked stories in the debris, isolated explosions 20 to 40 stories below the wave of destruction, molten steel and thermite traces found in the debris.[9]

Investigations by the Federal Emergency Management Agency and the National Institute of Standards and Technology (NIST) have concluded that the buildings collapsed as a result of the impacts of the planes and of the fires that resulted from them.[34][35] The mainstream of the scientific and engineering community has rejected the position taken by the group. In 2005, a report from the National Institute of Standards and Technology concluded that the destruction of the World Trade Center towers was initiated by a "progressive collapse" caused by the jet impacts and the resultant fires. A 2008 NIST report described a similar progressive collapse as the cause of the destruction of the third tallest building located at the World Trade Center site, 7 WTC. Many mainstream scientists choose not to debate proponents of 9/11 conspiracy theories, saying they do not want to lend them unwarranted credibility.[36]

World Trade Center towers[]

Gage criticized NIST for not having investigated the complete sequence of the collapse of the World Trade Center towers,[37] and claims that "the official explanation of the total destruction of the World Trade Center skyscrapers has explicitly failed to address the massive evidence for explosive demolition."[38] In particular, Gage argues that the buildings of the World Trade Center could not have collapsed at the speed that has been observed without tearing apart several columns of their structures with the help of explosives.[13] To support its position, Architects & Engineers for 9/11 Truth points to the "free fall" acceleration of 7 WTC during part of the collapse,[39] to "lateral ejection of steel," and to "mid-air pulverization of concrete."[27] Richard Gage also said that the absence of "large gradual deformations" associated with the collapse would indicate that the buildings have been destroyed by controlled demolition.[40] That the three buildings of the World Trade Center "fell through what should have been the path of greatest resistance" would, according to the organization, require "precisely timed removal of critical columns, which office fires cannot accomplish".[39] As the mass of the top of the North Tower had been blown outward during the collapse, there was "nothing left to drive this building to the ground," Gage says.[41]

Gage maintains that the "sudden and spontaneous" collapse of the towers would have been impossible without a controlled demolition, that pools of molten iron found in the debris of the buildings were evidence of the existence of thermite,[42] and that researchers had found unignited nano-thermite in the dust produced by the collapse of the World Trade Center.[24][39][41][43] Gage argues that this material "is not made in a cave in Afghanistan".[44] Iron-rich microspheres, which, according to the organization, have been found in the dust of the World Trade Center buildings by independent laboratory analyses, would indicate temperatures during the collapses much higher than temperatures that would result from hydrocarbon fires.[39] "We have evidence of high tech explosives found in all of the dust, we have evidence of thermite found in the molten iron samples. This can’t happen in normal office fires. They don’t have half the temperature required to melt steel, so where did the molten iron come from?" Gage asks.[45] A DVD produced by the group contains eyewitness accounts of explosions and flashes seen in the buildings.[46]

In 2008, Zdeněk P. Bažant, Professor of Civil Engineering and Materials Science at Northwestern University, published with three coauthors a paper to examine whether allegations of controlled demolition might be scientifically justifiable. They found that the available video records are not consistent with the free fall hypothesis, that the size of the concrete particles is consistent with comminution caused by impact, and that the high velocity of compressed air explains why material from the towers were ejected to a distance of several hundred meters from the tower. The authors conclude that the allegations of controlled demolition do not have any scientific merit.[47] A spokesman for NIST said that any sightings of molten metal, including metal seen pouring from the South tower, were likely molten aluminum from the airplane, an explanation disputed by Richard Gage who stated that the colour of the molten metal rules out aluminum.[48] "Basically, gravity and the utter force of the upper floors forced the towers down," said NIST spokesperson Michael Newman.[41]

7 World Trade Center[]

According to Richard Gage, 7 World Trade Center (7 WTC), a 47-story high-rise building that was part of the World Trade Center complex and collapsed in the afternoon on September 11, 2001, is the "smoking gun" of September 11,[39][49] providing the most compelling evidence that something was suspect about the building's collapse that had not been told to the public.[50][51] Gage also described 7 WTC as "the most obvious example of controlled demolition."[52] According to Richard Gage, the only way to bring a building down with free-fall acceleration would be to remove its columns, which provide resistance to the force of gravity.[53] Scott Grainger, a fire protection engineer and member of the group, told the BBC that the fires observed in 7 WTC, which were scattered about on the floors, would have moved on as they would have found no more combustibles. He thus claims that the fires could not have developed enough heat to cause the collapse of the building.[52]

Gage dismisses NIST's explanation of the collapse of 7 World Trade Center, according to which uncontrolled fires and the buckling of a critical support column caused the collapse, and argues that this would not have led to the uniform way the building actually collapsed. "The rest of the columns could not have been destroyed sequentially so fast to bring this building straight down into its own footprint," he says.[24] Richard Gage argues that skyscrapers that have suffered "hotter, longer lasting and larger fires" have not collapsed.[49] "Buildings that fall in natural processes fall to the path of least resistance," says Gage, "they don't go straight down through themselves."[54]

The community of experts in structural mechanics and structural engineering generally supports the explanation of the collapse of the World Trade Center buildings provided by the investigation conducted by NIST.[6] The appearance of a controlled demolition can be explained by an interior failure of the building, which is suggested by the sequence of the collapse of 7 WTC that shows roof elements sinking into the building while the façade remained intact.[55]

Criticism of the official investigations[]

Architects & Engineers for 9/11 Truth expresses concerns that evidence related to the destruction of the World Trade Center could have been distorted and covered up by the National Institute of Standards and Technology (NIST), which conducted a building and fire safety investigation, one of the official investigations into the event. According to the group, and NIST themselves who considered it unnecessary, NIST did not look for physical evidence of explosives[24][39] and did not include the eyewitness accounts from first responders and from people who escaped the buildings in their investigation.[48] The organization also alleges that much of the physical evidence, apart from a few selected samples of the steel, would have been destroyed.[39] Gage criticizes that taped eyewitness interviews that were released to the New York Times in August 2005 had been "hidden by the city of New York".[48]

After the publication of the results of NIST's inquiry into the collapse of 7 WTC, Richard Gage called a news conference,[56] and leaders of Architects & Engineers for 9/11 Truth dismissed NIST's investigation as flawed. When told of the claims, Shyam Sunder, lead investigator from NIST, responded: "I am really not a psychologist. Our job was to come up with the best science."[35] A spokesperson for NIST said the agency's computer models were highly reliable in assessing the amount of fireproofing dislodged, a factor that would not be present in other steel buildings cited by Gage.[48] The FBI's counterterrorism division concluded that the evidence presented by the organization deserves FBI scrutiny. In a letter, Deputy Director Michael J. Heimbach assessed that the group's analysis is "backed by thorough research and analysis".[41][48]


  1. Gage, Richard (May 7, 2010). "AE911Truth is Now a 501c3 Tax-Exempt Non-Profit". Architects & Engineers for 9/11 Truth. Retrieved May 13, 2010. 
  2. 2.0 2.1 2.2 Harper, Jennifer (February 22, 2010). "Explosive News". Washington Times. Retrieved February 23, 2010. 
  3. Blatchford, Andy (April 30, 2010). "U.S. skeptics to speak of 9-11 cover-up at three Canadian universities". Toronto: Canadian Press. Retrieved May 1, 2010. 
  4. "Architects and Engineers Seek 9/11 Truth". KGO Newstalk. June 3, 2009. Retrieved June 3, 2009. 
  5. Sutcliffe, Thomas (July 7, 2008). "Yet more tall stories with no foundation". Independent Extra (London). Retrieved May 24, 2009. 
  6. 6.0 6.1 Bažant, Zdeněk P.; Verdure, Mathieu (March 2007). "Mechanics of Progressive Collapse: Learning from World Trade Center and Building Demolitions". Journal of Engineering Mechanics 133 (3): 308–319. doi Wikipedia.png:10.1061/(ASCE)0733-9399(2007)133:3(308). Retrieved 2007-08-22. "As generally accepted by the community of specialists in structural mechanics and structural engineering (though not by a few outsiders claiming a conspiracy with planted explosives), the failure scenario was as follows [...]".  (continues with a four-part scenario of progressive structural failure).
  7. 7.0 7.1 Moskowitz, Eric (November 29, 2007). "Airing of 9/11 film ignites debate". The Boston Globe. Retrieved May 23, 2009. 
  8. 8.0 8.1 Rudin, Mike (July 4, 2008). "The evolution of a conspiracy theory". BBC. Retrieved May 23, 2009. 
  9. 9.0 9.1 Janich, Oliver. "Wir glauben euch nicht!". Focus Money (2/2010). 
  10. Phillips, Peter (2007). "Chapter 2: Censored Déjà Vu". Censored 2008: The Top 25 Censored Stories. Seven Stories Press. p. 138. ISBN Wikipedia.png 1583227725, 9781583227725. Retrieved 2010-08-06. 
  11. Warner, Trevor (September 11, 2010). "9 years later, Sept. 11 questions linger". Paradise Post. Retrieved September 11, 2010. 
  12. 12.0 12.1 "Welcome to Architects & Engineers for 9/11 Truth!". Architects & Engineers for 9/11 Truth. Retrieved August 19, 2010. 
  13. 13.0 13.1 13.2 Lachapelle, Judith (May 1, 2010). "Le «mystère» de la Tour 7". La Presse. Retrieved May 1, 2010. 
  14. Carrig, David (December 6, 2009). "Verification Team Assures a Sound Foundation". Architects & Engineers for 9/11 Truth. Retrieved December 7, 2009. 
  15. "9/11 Truth movement" is the collective name of individuals and organizations that are questioning the veracity of the results of the investigations by United States government agencies into the September 11 attacks. See Barber, Peter (June 7, 2008). "The truth is out there". Financial Times. Retrieved May 23, 2009. "an army of sceptics, collectively described as the 9/11 Truth movement" ; Powell, Michael (September 8, 2006). "The Disbelievers". The Washington Post. Retrieved May 30, 2009. "The loose agglomeration known as the '9/11 Truth Movement'" ; Barry, Ellen (September 10, 2006). "9/11 Conspiracy Theorists Gather in N.Y.". Los Angeles Times. Retrieved May 30, 2009. "a group known as the 9/11 Truth Movement" ; Hunt, H.E. (November 19, 2008). "The 30 greatest conspiracy theories — part 1". The Daily Telegraph (London). Retrieved May 30, 2009. "A large group of people — collectively called the 9/11 Truth Movement" ; Kay, Jonathan (April 25, 2009). "Richard Gage: 9/11 truther extraordinaire". National Post. Retrieved May 30, 2009. "The '9/11 Truth Movement,' as it is now commonly called" .
  16. 16.0 16.1 Abel, Jennifer (January 29, 2008). "Theories of 9/11". Hartford Advocate. Archived from the original on 2008-04-30. Retrieved 2010-08-09. 
  17. Kay, Jonathan (April 25, 2009). "Richard Gage: 9/11 truther extraordinaire". National Post. Retrieved September 26, 2009. 
  18. "9/11 skeptics launch Canadian speaking tour". Canadian Broadcasting Corporation. April 30, 2010. Archived from the original on May 4, 2010. Retrieved May 1, 2010. 
  19. Ravensbergen, Jan (May 2, 2010). "9/11 skeptics to speak at UQAM". Montreal Gazette. Retrieved May 3, 2010. 
  20. "Un arquitecto estadounidense presenta en Madrid su versión alternativa al 11-S". Telecinco. November 8, 2008. Retrieved May 23, 2009. 
  21. Schröder, Sophie (November 18–24, 2009). "Did Bush knock down the towers?". Capital Times. 
  22. McKnight, Jenna (May 1, 2009). "AIA 2009: Architects & Engineers for 9/11 Truth". Architectural Record. Retrieved May 30, 2009. 
  23. Rudin, Mike (June 27, 2008). "Controversy and conspiracies II". BBC. Retrieved May 25, 2009. 
  24. 24.0 24.1 24.2 24.3 "The Unofficial Theory". Canadian Broadcasting Corporation. November 27, 2009. Archived from the original on November 29, 2009. Retrieved November 30, 2009. 
  25. Ryan, Andrew (November 27, 2009). "Was 9/11 a conspiracy? ‘Truthers’ make their case". Globe and Mail. Retrieved November 30, 2009. 
  26. Lisée, Jean-François (November 29, 2009). "9/11: CBC à la rescousse de Richard Bergeron". L'actualité. Retrieved December 1, 2009. 
  27. 27.0 27.1 Beam, Christopher (April 8, 2009). "Heated Controversy". Slate. Retrieved May 23, 2009. 
  28. Reuters (November 8, 2008). "Arquitectos estadounidenses piden a Obama que reabra la investigación sobre el 11-S". Retrieved May 27, 2009. "Aseguran que las Torres Gemelas no fueron derribadas por el choque de los aviones."  (Press agency report. Translation: "They argue that the Twin Towers were not destroyed by the impact of the planes.")
  29. Architects & Engineers for 9/11 Truth (June 30, 2009). "Architect to Speak in D.C. on 9/11 World Trade Center Destruction". PRNewswire-USNewswire. Retrieved July 3, 2009. 
  30. "Corrections". National Post. April 28, 2009. Retrieved May 25, 2009. 
  31. Architects & Engineers for 9/11 Truth (June 30, 2009). "Architect to Speak in D.C. on 9/11 World Trade Center Destruction". Retrieved July 3, 2009. 
  32. "Jonesy & Amanda Jamcast". WSFM 107.1. November 19, 2009. Retrieved November 19, 2009. 
  33. "Terrorist attack or controlled demolition?". Television New Zealand. November 27, 2009. Retrieved November 30, 2009. 
  34. Dwyer, Jim (September 2, 2006). "2 U.S. Reports Seek to Counter Conspiracy Theories About 9/11". New York Times. Retrieved April 30, 2009. 
  35. 35.0 35.1 Lipton, Eric (August 22, 2008). "Fire, Not Explosives, Felled 3rd Tower on 9/11, Report Says". New York Times. Retrieved May 23, 2009.  Cite error: Invalid <ref> tag; name "Lipton" defined multiple times with different content
  36. Pope, Justin (August 6, 2006). "9/11 Conspiracy Theories Persist, Thrive". Associated Press. Washington Post. Retrieved August 27, 2009. 
  37. Potocki, P. Joseph (August 27, 2008). "Down the 9-11 Rabbit Hole". Bohemian. Retrieved May 25, 2009. 
  38. Beam, Alex (Jan. 14, 2008). "The truth is out there . . . Isn't it?". The Boston Globe. Retrieved May 23, 2009. 
  39. 39.0 39.1 39.2 39.3 39.4 39.5 39.6 Gage, Richard; Roberts, Gregg; Chandler, David. "Conspiracy theory or hidden truth? The 9/11 enigmas...". World Architecture News. Retrieved September 9, 2009. 
  40. "Great Day Talks to Architect Richard Gage". KMPH FOX 26. May 28, 2009. Retrieved May 28, 2009. 
  41. 41.0 41.1 41.2 41.3 Levin, Jay; McKenzie, Tom (September 17, 2009). "Twin Towers, Twin Myths". Santa Barbara Independent. Retrieved September 17, 2009. 
  42. "Un arquitecto estadounidense presenta en Madrid su versión alternativa al 11-S". Telecinco. November 8, 2008. Retrieved May 23, 2009. "El ingeniero estructural del complejo WTC, advierte Gage, llama la atención sobre la piscina de magma que ardió durante semanas tras el atentado. Una evidencia que demuestra la existencia del agente incendiario 'Thermite', empleado para "fundir y cortar columnas y vigas de acero"." 
  43. Rogenau, Olivier (September 5, 2008). "11 Septembre, le mystère de la 3e tour". Le Vif. Retrieved May 25, 2009. "On aurait, selon 430 architectes et ingénieurs regroupés au sein de l'association AE911 Truth, retrouvé des résidus d'explosifs militaires de type thermate dans les débris de Ground Zero [...]."  (Translation: "According to 430 architects and engineers belonging to the group AE911 Truth, residues of the military explosive themate would have been found in the debris of Ground Zero [...].")
  44. Nicholls, Sean (November 25, 2009). "Utzon's son signs up for September 11 conspiracy theory". Sydney Morning Herald. Retrieved November 30, 2009. 
  45. "9/11 truth still in a cloud of smoke?". Russia Today. July 16, 2009. Retrieved July 16, 2009. 
  46. Sutton, Tori (February 18, 2010). "Seeking the truth about 9/11". Stratford Gazette. Retrieved February 19, 2010. 
  47. Bažant, Zdeněk P.; Le, Jia-Liang; Greening, Frank R.; Benson, David B. (October 2008). "What Did and Did Not Cause Collapse of WTC Twin Towers in New York". Journal of Engineering Mechanics 134 (10): 892–906. doi Wikipedia.png:10.1061/(ASCE)0733-9399(2008)134:10(892). 
  48. 48.0 48.1 48.2 48.3 48.4 Levin, Jay; McKenzie, Tom (September 9, 2009). "Explosive Theory". metroactive. Retrieved September 9, 2009. 
  49. 49.0 49.1 Bowden, Rich (August 21, 2008). "Twin towers mystery resolved, fire brought down WTC7". The Tech Herald. Retrieved May 25, 2009. 
  50. Röckerath, Christoph. "Das Geheimnis des dritten Turms". Zweites Deutsches Fernsehen. Retrieved May 25, 2009. "Ist World Trade Center 7 wirklich die "Smoking Gun" des 11. September, der Beweis, das etwas "faul" ist, wie es der prominente Architekt Richard Gage [...] formulierte?"  (Translation: "Is 7 World Trade Center really the "smoking gun" of September 11, as Richard Gage, the prominent architect [...] says?")
  51. Molinari, Maurizio (July 6, 2009). "Il crollo della Torre Sette? «Fu solo colpa delle fiamme»". La Stampa. Retrieved May 26, 2009. "La teoria di Gage è che il video del crollo è «la pistola fumante dell'11 settembre» ovvero la prova incontrovertibile che qualcosa è stato nascosto al pubblico."  (Translation: "Gage's theory is that video of the collapse is "the smoking gun of September 11" and offers compelling evidence that something is being hidden from the public.")
  52. 52.0 52.1 "Q&A: The Collapse of Tower 7". BBC. July 4, 2008. Retrieved May 23, 2009. 
  53. "Richard Gage: architecture of destruction". Radio New Zealand. November 21, 2009. Retrieved November 21, 2009. 
  54. Rudin, Mike (July 4, 2008). "9/11 third tower mystery 'solved'". BBC. Retrieved May 26, 2009. 
  55. Gilsanz, Ramon; Ng, Willa (November 2007). "Single Point of Failure". Structure magazine: 42–45. Archived from the original on February 5, 2009. Retrieved May 26, 2009. 
  56. Trembath, Brendan (August 22, 2008). "Sept 11 building downed by fire, not explosives: inquiry". Australian Broadcasting Corporation. Retrieved May 25, 2009. 

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