As the United States marks the 20th anniversary of the 2001 attack on the World Trade Center in New York, three stories in the Fastener History section of GlobalFastenerNews.com recall the role of fasteners and fastener people.

Click on the three articles below for what Kathy Campanelli, Richard Hagan and Sam Laufer experienced on September 11, 2001, and David Sharp’s subsequent examination of the towers’ bolts:

2011 FIN – A Decade Later: Campanelli, Hagan & Laufer After 9/11
In 2001, FIN reported on three people involved in the fastener industry who were close to the World Trade Center. Here is an update.

2002 FIN – World Trade Center Collaspse Not Result of Bolt Failure, Despite Reports
David Sharp led a team of volunteer structural engineers who salvaged pieces of steel from the rubble for further study. One of the facts the salvaged steel revealed was that the floor truss panels were connected to the perimeter columns by two erection bolts, Sharp stated.

2001 FIN – Fastener People Escape Areas Under Twin Towers on 9/11
When the first plane struck the north tower of the World Trade Center at 8:48 a.m. Tuesday, September 11, most of the 30 people working at fastener distributor NABS headquarters were at work five blocks to the north.