BACK ROW, Dr C S Sharma, Dr R P Martineau, Dr D Hammond Smith, Dr L R Fletcher, Dr W B Stewart, Dr C Rowley, Dr A C McBride, Dr R Bailey, Mr A J Brodie, Mr K Gibson, Dr D L Johnson, Mr P J Shields, Dr D S G Stirling, Dr E F Robertson, Dr D Gay, Dr C M Campbell, Mrs I Gay, Prof R M Cormack, Prof C B Read, Mrs S Read, Mr S Read

FOURTH ROW, Mrs J Conlan, Prof J Conlan, Miss A Grubb, Mrs L Milnes, Dr N K Dickson, Dr P Milnes, Prof F P Cass, Dr C Debieve, Dr M Duhoux, Dr J F Edwards, Dr R T Ackroyd, Mr W Meersman, Ms D Burrows, Dr C D Green, Mr D Bruce, Dr I T Adamson, Mrs A J Zaanen, Dr A D Sands, Miss J Luxemburg, Mr R Luxemburg, Prof G Brown, Mrs W Luxemburg, Mr M W Zaanen, Dr P Donovan, Miss K Bergseth, Mr G Sjodin,

THIRD ROW, Dr J E Wallington, Prof I M H Etherington, Mr P Ullens, Prof E Franckx, Prof R J Magnus, Prof R Trautner, Prof B L R Shawyer, Mr J R Farrell, Dr M Eggar, Mr N Spaltenstein, Dr F W Long, Dr D A Towers, Dr J H Oppenheim, Mr J T Stafford, Dr M Jaegermann, Mr M Y Prest, Dr D Singmaster, Prof W L Edge, Mr M C Bramwell, Dr J Hunter, Mrs J E Wells, Mr M P Hyde, Prof C Wells,

SECOND ROW, Dr M J Crabb, Dr I Anderson, Dr D Jordan, Dr C R Jordan, Prof C W Kilmister, Miss S J Kilmister, Mr A C Kilmister, Dr T S Blyth, Dr J J O'Connor, Dr R M F Moss, Dr A Wulfsohn, Dr J S N Elvey, Mrs D Singmaster, Prof R W Carter, Dr A C Thompson, Mr D Deriziotis, Dr T J Laffey, Ms N B Tinberg, Prof F D Parker, Mr B Mortimer, Mr N H Grieg-Smith, Dr J Van Casteren, Miss E M Elton, Mrs M Van Casteren, Dr E Scourfield, Dr J B Wilker, Miss K Wilker,

FIRST ROW STANDING, Dr J C Amson, Dr G D Findlay, Prof J D M Wright, Dr D B Webber, Dr E Wilson, Dr A W Chatters, Mrs E Wilson, Mr S A R Hosseiniun, Mrs N S Smithies, Dr F Smithies, Prof A C Zaanen, Prof W A J Luxemburg, Dr T A Whitelaw, Prof H Minc, Prof G C Steward, Dr D Martin, Dr E Stein, Mrs D Borwein, Dr H Freedman, Dr E A McHarg, Mrs J Borwein, Miss R Borwein, Dr J M Borwein, Mrs J S Patterson, Mrs B T Cass, Miss Wesselius, Dr W Wesselius, Mrs C I Wesselius, Miss S Borwein, Prof M Beiter, Miss E L M Wallace,

SEATED, Prof C St J A Nash-Williams, Prof J Duncan, Dr P M Neumann, Mrs S Neumann, Prof P R Halmos, Prof I Kaplansky, Mrs C Kaplansky, Prof H Halberstam, Prof D A R Wallace, Prof J M Howie, Prof E T Copson, Prof E C Zeeman, Prof D Borwein, Prof E M Patterson, Prof R A Rankin, Mrs R A Rankin, Dr M J Beetham,

ON GROUND, Miss Jennifer Neumann, Master James Neumann, Master David Neumann, Master M Wells, Master P Wells, Master P W Wesselius, Master W Van Casteren, Master L Van Casteren, Miss Kamini Milnes, Master M Wilker