2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14367A retrospective of Martin Schwarzschild's work on galaxy dynamics.8 Latex pages, uses paspconf.sty. To appear in ASP Conference Series, Vol. 182, Galaxy Dynamics, ed. D. Merritt, J. A. Sellwood and M. ValluriAstrophysicstext