Rob Milne was a remarkable man. He died of a heart attack on the 5th of June 2005 while climbing Mount Everest in Nepal. Milne (48) lived an active life: combining his three 'careers' seemingly effortlessly. He was a hi-tech entrepreneur, an AI researcher and a passionate mountaineer. Mount Everest was last on his list of the highest summits on each continent. He was only 400 meters from the top when he died. This publication commemorates and celebrates the life of Rob Milne. It covers all facets of Rob Milne's life and contains contributions by the people who have known him well and pay tribute to his life and his legacy. Rob Milne is survived by his wife Val and his two children Alex and Rosemary. After he died, his wife said in a radio interview: "Rob died at the top, doing what he loved."