Professor Tim Shaw passed away on April 21st 2017, at the age of 82. He was Emeritus Professor of Mining Engineering at Imperial College having retired in 2001 after being appointed to the Chair in Mining Engineering in 1980. Prior to that he held an academic appointment at the Virginia Polytechnic Institute. He entered the academic environment after a successful career in the South African mining industry where he reached the level of Chief Consulting Engineer with the Johannesburg Consolidated Investment Company. Professor Shaw had extensive experience as a technical consultant and company director and held honorary doctorates from two Central European Universities.