His work permeates our everyday lives, yet - much like his personality - it goes unnoticed, improving our quality of life without yearning for attention

The hundreds of millions of air travellers around the world are not likely to recognise the name, Julian Simon. They are more likely to have heard of his namesake, Paul Simon, the musician turned stage-artist. Yet, they owe him such a debt of gratitude as to make that non-recognition almost unjust.