A series of portraits of top scientists drawn from their own mouths
Sir Harold Harding consultant civil engineer talks to ELIZABETH GARD and DAVID WILSON
BBC Science Correspondent
Harold Harding , who was knighted earlier this year. must be one of the few Knights Bachelor who has spent half his life underground. He is internationally recognised as one of the great experts on tunnel engineering-and this expertise has made him in demand as a consultant engineer throughout the world.
Recently he was principal adviser to the Channel Tunnel Study Group and the technical expert on the three-man Aberfan tribunal.