We need to plan as far ahead as we can, and one of my concerns has been to see if we can make any good, reliable guesses about the future of our environment and our planet and our technology. What really gives me nightmares is that these new powerful technologies can be misused either by error or by design.

Science is an activity which straddles boundaries of nationality and faith. I have been privileged to be part of this international community trying to understand the world and what has been learned about the universe in the last 50 years will be one of the real high points, along with the double helix and genetics and Darwinian evolution. What is wonderful is the interconnectedness of everything and how this intricate complexity has emerged from simple beginnings many billions of years ago.