Unknown Author
Tom Denton
Fernando Schnaid
Charles Hellier
Smith, Craig (Reverse engineer)
Lanny G. Thieme
Albert Charles Parkinson
Institute of Civil Engineers
Cheng Liu
Lev M. Klyatis
Paul Ammann
Peter J. Shull
John M. Dealy
Louis Cartz
Robert L. Glass
Alec Feinberg
Rolla C. Carpenter
Kenneth P. Parker