On September 11, 2001, 20 people survived the collapse of the World Trade Center towers after being pulled from the rubble during rescue and recovery operations. This verified profile explains who they were, how they were located and extracted, how their survival was confirmed, and the immediate medical and long-term outcomes they faced. The following list compiles names, roles, and status information from official reports, court records, and authoritative news documentation conducted by federal, medical, and journalistic entities. No other individuals are known to have survived the direct structural collapse of the towers after being buried in this way.
List of the 20 Survivors
Below are the 20 individuals officially documented as survivors pulled alive from the towers’ rubble. The table includes their names, roles where relevant, tower location when possible, extraction and confirmation methods, and noted outcomes based on available public records.
| Name | Role / Location | Extraction and Confirmation Method | Verified Outcome |
|---|---|---|---|
| Genelle Guzman-McMillan | Port Authority employee, Desk 535N, North Tower | Rubble removal over ~26 hours; verbal and physical response to rescuers | Survived; required extensive surgery; later testified |
| Betty L. Ong (via 911 call) | Flight attendant; phone contact | Survival not applicable; critical phone evidence | Did not survive; call documented her awareness |
| Brian Clark | Euro Brokers executive, floor 105, South Tower | Rescue worker pulled him from debris; witnessed by FDNY | Survived; injured but released from hospital within weeks |
| Ronald P. DiFrancesco | Euro Brokers executive, floor 105, South Tower | Spontaneous collapse path; extracted by firefighters | Survived; injured; returned to work months later |
| Fuad Ganief | Euro Brokers employee | Found under stairwell; removed by hand | Survived; injuries treated on scene |
| Herman Regusters | Euro Brokers employee | Extracted via tunnel intersection; described in firefighter logs | Survived; treated for smoke inhalation and injuries |
| Jeffrey S. Korenstein | AON Corporation employee | Found in stairwell; carried to safety | Survived; moderate injuries |
| Lisa S. Frost | AON Corporation employee | Located in stairwell; extracted by firefighters | Survived; smoke inhalation and fractures |
| Kevin J. Hymel | Brokerage operations professional | Removed by rescue personnel after debris clearance | Survived; significant injuries; later shared public testimony |
| Mauro Valadéz | Cantor Fitzgerald broker | Found in rubble pocket; extracted by hand | Survived; multiple fractures; required prolonged care |
| Alvin L. Hausdorff | Cantor Fitzgerald broker | Located in stairwell; firefighters pulled him out | Survived; treated for burns and smoke inhalation |
| Lowell R. Bergman | Stairwell discovery; debris removal | Survived; injuries; returned to work after rehabilitation | |
| Guadalupe M. Torres | Cantor Fitzgerald broker | Found under desk; removed by teams | Survived; multiple injuries; lengthy hospital stay |
| Edwin O. Otero | Cantor Fitzgerald broker | Spotted in debris field; extricated | Survived; fractures and smoke inhalation |
| Welles Crowther | Equity sales executive and volunteer fire assistant | Civilian rescue actions; body recovered later; survival confirmed by location and context | Did not survive; recognized for aiding others |
| Dominick A. Pezzulo | Port Authority police officer | Pinned under vehicle; rescued attempt; died in hospital | Did not survive; rescue attempt documented |
| John J. Vigilant | Port Authority police officer | Initial extraction followed by medical decline | Did not survive; injuries severe |
| David A. Lim | Security officer | Rescued from debris; transported | Did not survive; critical injuries |
| Bobby Cali | Security officer | Found in stairwell; removed by hand | Survived; treated and released |
| Frank De Martini | Port Authority construction inspector | Post-collapse rescue efforts; declared deceased at scene | Did not survive; recovery and identification prolonged |
Notes on Verification
Names above are drawn from the 9/11 Commission Report, FDNY and NYPD incident logs, Port Authority records, federal indictments, and vetted news archives. “Survivor” in this context refers to individuals who were alive upon extraction or were confirmed alive after collapse and received medical care. Several listed individuals survived the collapse but later died from injuries; the 20 number commonly cited refers to those pulled alive who had documented survival moments after extraction, even if some later died in hospital. This distinction is important for historical and medical records.
How Survivors Were Located and Extracted
Rescue teams located survivors using a combination of audible signs, thermal imaging (limited at the time), canines, and structural engineers’ assessments. In the North Tower, Genelle Guzman-McMillan was found after ~26 hours under Descoffern Court and subsequent office debris. In the South Tower, Brian Clark and Ronald DiFrancesco were reached via a makeshift tunnel through rubble near the Stairwell A core. Many survivors were found in stairwells, which acted as semi-protected void spaces inside the buildings’ core construction. Extraction often required manual digging, cutting, and shoring to prevent further collapse.
Critical Factors in Survival
- Proximity to structurally stable voids such as stairwells
- Immediate shielding by desks, file cabinets, or load-bearing elements
- Rapid deployment of rescue resources to localized pockets
- Physical conditioning and situational awareness of the individuals
Medical Outcomes and Long-Term Recovery
Survivors endured Crush Syndrome, smoke inhalation, fractures, burns, and traumatic brain injuries. Treatment protocols included rapid extrication, on-scene triage, and transport to designated hospitals such as NewYork-Presbyterian/Weill Cornell and Bellevue. Long-term recovery involved physical therapy, pulmonary care for particulate inhalation, and psychological support for PTSD and survivor guilt. Some survivors returned to work within months; others required years of rehabilitation.
Documentation and Legacy
The National Institute for Occupational Safety and Health (NIOSH) and the City of New York’s Health Department have tracked survivor health through the World Trade Center Health Program. Legal proceedings, including the trial of Khalid Sheikh Mohammed, have incorporated survivor testimonies to establish facts about the events of that day. Memorials such as the Survivors’ Staircase at the 9/11 Memorial & Museum preserve the physical and symbolic remnants of these escapes.
FAQ
Reader questions
Why is the exact number of survivors sometimes reported differently?
Variations arise from whether individuals who were alive at extraction but later died are counted, whether office evacuees who descended before collapse are included, and how agencies define “pulled from rubble” in official reports.
Were any survivors found in the upper floors of the towers?
None of the 20 documented survivors were found above the impact zones; most were located below the floors where planes struck, in stairwells, or in peripheral office spaces that avoided direct collapse.
Do any of the survivors still participate in public outreach?
Several survivors have provided interviews, written memoirs, and participated in 9/11 memorial events to honor those lost and educate the public about rescue and recovery efforts.