Correspondence with readers of Simon's articles for the 'Financial Times'. Part I - A-F Material re-arranged so papers now in alphabetical order of correspondent The file contains material from readers requesting more details on the devices, techniques and innovations covered in Simon's articles. Also some correspondence on Simon's article "The Atomic Rivals", published by 'Science' Topics discussed include: uses of wood waste, power supplies, fuel efficiency and Nuclear Energy 1948-1956