Les Robertson, WTC Engineer [Interview]
Title
Les Robertson, WTC Engineer [Interview]
Description
Les Robertson, the head WTC engineer, talks about testing the buildings for sway and plays recordings in which you can hear the building creaking in the wind.
Sonic memorial comments
CD sent from KS, 1 track.
Sonic memorial contact
We have a few different Les Robertson pieces. They kind of overlap so I only made one browsable. I think he knows about the website because he sent us his photos. Davia DAT. We have unlimited release.
Sonic memorial creation date
1969-01-01
Sonic memorial duration
05:57:00
Sonic memorial is browsable
t
Sonic memorial keyword
Architecture
Construction
Port Authority
Work
Sonic memorial name
SMS082?
Sonic memorial permission
web
Sonic memorial source ref name
SMS706.aiff
Sonic memorial source type
interview
Sonic memorial status
active
Source
digitally recorded
Media Type
audio
Collection
Citation
“Les Robertson, WTC Engineer [Interview],” September 11 Digital Archive, accessed October 1, 2026, https://911.dev.chnm.gmu.edu/items/95423/.