Richard L. Handy, Ph. D., is Distinguished Professor Emeritus of Civil Engineering and Construction Engineering at Iowa State University. He is also the founder of Handy Geotechnical Instruments, a company that manufactures innovative soil testing devices. Dr. Handy is the author of The Day the House Fell and co-author of the Third and Fourth Editions of Soil Engineering. Recognized as a scientist as well as an engineer, he is a Fellow in the Geological Society of America and also in the American Association for the Advancement of Science.
M.G. Spangler was a Research Professor at Iowa Stat...