Popular Mechanics provided a good story and many answers, but I feel that it was the NOVA special that explained it best.
Here is a link to the original Pop Mech article.
link ot article
it was a cover story in 2005. This is a list of the people they used.
Air Crash Analysis
Cleveland Center regional air traffic control
Bill Crowley special agent, FBI
Ron Dokell president, Demolition Consultants
Richard Gazarik staff writer, Pittsburgh Tribune-Review
Yates Gladwell pilot, VF Corp.
Michael K. Hynes, Ed.D.,
ATP, CFI, A&P/IA president, Hynes Aviation Services; expert, aviation crashes
Ed Jacoby Jr. director,
New York State Emergency Management Office (Ret.); chairman, New York State Disaster Preparedness Commission (Ret.)
Johnstown-Cambria County Airport Authority
Cindi Lash staff writer, Pittsburgh Post-Gazette
Matthew McCormick manager, survival factors division, National Transportation Safety Board (Ret.)
Wallace Miller coroner, Somerset County, PA
Robert Nagan meteorological technician, Climate Services Branch, National Climatic Data Center
Dave Newell director, aviation and travel, VF Corp.
James O’Toole politics editor, Pittsburgh Post-Gazette
Pennsylvania State Police Public Information Office
Jeff Pillets senior writer,
The Record, Hackensack, NJ
Jeff Rienbold director, Flight 93 National Memorial, National Park Service
Dennis Roddy staff writer, Pittsburgh Post-Gazette
Master Sgt. David Somdahl public affairs officer,
119th Wing, North Dakota
Air National Guard
Mark Stahl photographer; eyewitness, United Airlines Flight 93 crash scene
Air Defense
Lt. Col. Skip Aldous (Ret.) squadron commander,
U.S. Air Force
Tech. Sgt. Laura Bosco public affairs officer,
Tyndall Air Force Base
Boston Center regional air traffic control
Laura Brown spokeswoman,
Federal Aviation Administration
Todd Curtis, Ph.D. founder, Airsafe.com; president, Airsafe.com Foundation
Keith Halloway public affairs officer, National Transportation Safety Board
Ted Lopatkiewicz director, public affairs, National Transportation Safety Board
Maj. Douglas Martin public affairs officer,
North American Aerospace Defense Command
Lt. Herbert McConnell public affairs officer,
Andrews AFB
Michael Perini public affairs officer, North American Aerospace Defense Command
John Pike director, GlobalSecurity.org
Hank Price spokesman, Federal
Aviation Administration
Warren Robak RAND Corp.
Bill Shumann spokesman,
Federal Aviation Administration
Louis Walsh public affairs officer, Eglin AFB
Chris Yates aviation security editor, analyst, Jane’s Transport
Aviation
Fred E.C. Culick, Ph.D., S.B., S.M. professor of aeronautics, California Institute of Technology
Robert Everdeen public affairs, Northrop Grumman
Clint Oster professor of public and environmental affairs, Indiana University; aviation safety expert
Capt. Bill Scott (Ret. USAF) Rocky Mountain bureau chief, Aviation Week
Bill Uher News Media Office, NASA Langley Research Center
Col. Ed Walby (Ret. USAF)
director, business development, HALE Systems Enterprise, Unmanned Systems, Northrop Grumman
Image Analysis
William F. Baker member, FEMA Probe Team; partner, Skidmore, Owings, Merrill
W. Gene Corley, Ph.D., P.E., S.E. senior vice president, CTL Group; director,
FEMA Probe Team
Bill Daly senior vice president, Control Risks Group
Steve Douglass image analysis consultant, Aviation Week
Thomas R. Edwards, Ph.D. founder, TREC; video forensics expert.
Ronald Greeley, Ph.D. professor of geology, Arizona State University
Rob Howard freelance photographer; WTC eyewitness
Robert L. Parker, Ph.D. professor of geophysics,
University of California, San Diego
Structural Engineering / Building Collapse
Farid Alfawakhiri, Ph.D. senior engineer, American Institute of Steel Construction
David Biggs, P.E. structural engineer, Ryan-Biggs Associates; member, ASCE team for FEMA report
Robert Clarke structural engineer, Controlled Demolitions Group Ltd.
Glenn Corbett technical editor, Fire Engineering; member, NIST advisory committee
Vincent Dunn deputy fire chief (Ret.), FDNY; author, The Collapse Of Burning Buildings: A Guide To Fireground Safety
John Fisher, Ph.D. professor of civil engineering, Lehigh University; professor emeritus, Center for Advanced Technology; member, FEMA Probe Team
Ken Hays executive vice president, Masonry Arts
Christoph Hoffmann, Ph.D. professor of computer science, Purdue University; project director, September 11 Pentagon Attack Simulations Using LS-Dyna,
Purdue University
Allyn E. Kilsheimer, P.E.
CEO, KCE Structural Engineers PC; chief structural engineer, Phoenix project; expert in blast recovery, concrete structures, emergency response
Won-Young Kim, Ph.D. seismologist, Lamont-Doherty Earth Observatory, Columbia University
William Koplitz photo desk manager, FEMA
John Labriola freelance photographer, WTC survivor
Arthur Lerner-Lam, Ph.D. seismologist; director,
Earth Institute, Center for Hazards and Risk Research, Columbia University
James Quintiere, Ph.D. professor of engineering, University of Maryland member, NIST advisory committee
Steve Riskus freelance photographer; eyewitness, Pentagon crash
Van Romero, Ph.D. vice president, New Mexico Institute of Mining and Technology
Christine Shaffer spokesperson, Viracon
Mete Sozen, Ph.D., S.E. Kettelhut Distinguished Professor of Structural Engineering, Purdue University; member, Pentagon Building Performance Report;
project conception, September 11 Pentagon Attack Simulations Using LS-Dyna, Purdue University
Shyam Sunder, Sc.D.
acting deputy director, lead investigator, Building and Fire Research Laboratory, National Institute of Standards and Technology
Mary Tobin science writer, media relations, Earth Institute, Columbia University
Forman Williams, Ph.D. professor of engineering, physics, combustion, University of California,
San Diego; member, advisory committee, National Institute of Standards and Technology
Do you mean to tell me that they are all on a the CIA payroll and lied ot cover something up. Steve Jones has a degree and some ideas, this is a list
of scholars and industry professionals.
