Edited sentence: "In July last year, problems with the existing system were highlighted by the tragic death of 71 people, including 50 school children, due to the confusion when Swiss air traffic control noticed too late that a Russian passenger jet and a Boeing 757 were on a collision path.... Hawking and Penrose are well regarded among their peers.Any physicist working today would be daft to do so.Dear Ivor and Nigel.Editor of New Scientist, electronics graduate Jeremy Webb (who claims that "scientists have a duty to tell the public what they are doing" ), is reported to have written in an email about Electronics World articles popularising Catt's life-saving work:.From: Jeremy.I am eager to question their ideas but I cannot afford to ignore them.If this is mediation, I'm a Dutch uncle.More deaths linked to the suppression of Catt’s work: Electronics World, January 2003, pp12-14:.Nigel Cook reports…" –.So why has Ivor Catt’s computer solution for Air Traffic Control been ignored by the authorities for 13 years.The processing of extensive radar and other aircraft input information for European air space is a very big challenge, requiring a reliable system to warn air traffic controllers of impending disaster.Webb@rbi.Yours Jeremy.uk  Sent: Mon 30/08/2004 11:29 To: ivorcatt@electromagnetism.uk Subject: RE: Catt and New Scientist.uk; Cook, Nigel B Cc: Jeremy