Ragsdale, Cliff (virginia Polytechnic Institute And State University) (2) Plaster, Edward (dakota County Technical College (1) Ashcroft, Neil (cornell University), Mermin, N. (cornell University) (1) Worrell, William (integrated Waste Management Authority), Vesilind, P. (bucknell University), Ludwig, Christian (paul Scherrer Institute And Epfl) (1) Khater, Akram Fouad (north Carolina State University) (1)