2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45440I review some aspects of supersymmetric grand unification and emphasize a recent development in the area of gauge coupling unification.Plenary talk at the Conference on Beyond the Standard Model IV, Lake Tahoe, CA, Dec. 13-18, 1994. 9 pages, LaTeX, no figures.High Energy Physics - Phenomenologytext