Richard G. Weingardt, D.Sc. (h.c.), P.E., Dist.M.ASCE, F. ACEC (rweingardt@weingarddt.com) is the Chairman of Richard Weingardt Consultants, Inc. in Denver, CO. He is the author of ten books, including Circles in the Sky: The Life and Times of George Ferris and Engineering Legends. His latest book, Empire Man, is about Homer Balcom, structural engineer for the Empire State Building.