By Davies, P. C. W., Brown, Julian
By Green, Michael
By Raitt, Gordon
By Lockett, Keith, Keith Lockett
By Fowler, C. M. R.
By Gibbs, Keith
By School Mathematics Project
By University of Cambridge Local Examinations Syndicate
By DeWitt, Bryce
By Lyons, Louis
By Davies, Paul
By George Gamow, Roger Penrose
By Davies, P. C. W.
By Westfall, Richard
By Snape, George, Hall, Marguerite, Heslop, Nigel, Williams, James, Brodie, David
By Pikovsky, Arkady
By Beerends, R. J.
By Milner, Bryan
By Penrose, Roger, Longair, Malcolm
By Hey, Tony, Walters, Patrick
By Schrodinger, Erwin
By Olive, Jenny
By Petyt
By Friedlander/Joshi
By Shearer, Peter
By Riley, K. F.