Aitken, John; Andrews, F M; Andrews, H J; Arkle, D J; Barr, A Marshall; Boulton, T B; Burfield, G A; Coldwell, Peter H; Dadswell, J V; Davis, Philip R H; Emmerson, R W; Foskett, D; Foubister, G; Hampson, F; Hemsted, E; Isaacson, K G; Karlish, A J; Kircher, J A L; Mackenzie, D L; Martin, R T