- Ronald H. Brookman, S.E. (Retired)
Structural engineer Ronald H. Brookman writes in this new retrospective technical article:
“As I discovered through years of painstaking review of hundreds of documents after the final NCSTAR reports were released — indeed, four weeks was not enough — crucial structural information was omitted from NCSTAR 1-9 without explanation, and NIST’s collapse-initiation sequence for WTC 7 was based on speculation.”