From Soil Behavior Fundamentals to Innovations in Geotechnical Engineering GSP 233 honors the technical contribution of Roy Olson Ph.D. P.E. NAE Distinguished Member ASCE. This Geotechnical Special Publication contains a total of 51 papers 21 authored or co-authored by Prof. Olson along with 30 peer-reviewed contemporary invited or submitted papers. Olson's early work dealt with clay behavior consolidation analyses and compaction of unsaturated soils. His later work focused on applications of soil behavior in foundation and forensic engineering including axial capacity of piles in sand and...