by Stephen Herman
by Richard E. Loyd
by John Peterson, NJATC Staff
by Paul Rosenberg, American Contractors Educational Services Staff
by Ray C. Mullin, Robert L. Smith
by Bryan Spain
by Stephen L. Herman
by Yu. K. Tovbin
by Charles R. Miller
by Brian Scaddan
by Joseph R. Shoenfield
by Tim Jelfs
by The Institution of Engineering and Technology
by Sue Bentley
by Herbert P. Richter, W. Creighton Schwan
by Harold L. Rogler
by Alan W. Stanfield
by H. P. Richter, W. Creighton Schwan, Frederic P. Hartwell, F. P. Hartwell
by James G. Stallcup
by NCCER Staff
by Harvey Holzman
by Harvey N. Holzman
by Furman M. Gotshaw
by Richard A. Cox
by Art Pepper, Laurie Pepper, Gary Giddins
by Ronald P. O'Riley