General discussion

F Scholz, K Eisenthal, C Bain, J Rusling, R Lynden-Bell, F Leermakers, J Rathman, R Walker, P Cicuta, Z Samec, M Schlossman, A Kornyshev, M Urbakh, H Wennerström, R Dagastine, M Deutsch, J Penfold, C Oldfield, S Clarke, P Clegg