User:Donald Friedman

As is probably obvious from the pages I've worked on, I'm a structural engineer living in New York.

So far, I've chipped in on:

Structural analysis
Metro
New York City Subway
Skyscraper
Collect Pond, Manhattan
September 11, 2001 Terrorist Attack/Rescue and recovery effort
Grand Central Station
Verrazano Narrows Bridge
Singer Building