Richard H. Comfort
NATO Advanced Study Institute on Trapped Particles and Fundamental Physics (2000 Les Houches, France)
Nobel Symposium (91st 1994 Lysekil, Sweden)
Winter School in Mathematical Physics (2012 Les Houches, Haute-Savoie, France)
Workshop on the Earth's Trapped Particle Environment (1994 Taos, N.M.)
Italy) International School of Physics "Enrico Fermi" (2013 July 22-30 Varenna