Letter from Thomas Gold to Professor R N Bracewell, Radio Astronomy Institute, Stanford University, Stanford, California Says that 'The matter of Kenneth R Lang is, as I told you on the phone, quite in order'. Says that Professor Bracewell can send Lang to Arecibo [Ionospheric Observatory] and that Lang should present a travel claim to them. Also says that Hazard is keen to work with him. 11 July 1967