2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/2028I review the reason for considering the prime purpose of the program of measurements of the fundamental parameters of cosmology to be the tests of cosmological models. I comment on the philosophy by which we are approaching this goal, offer an assessment of where we stand, and present some thoughts on where the tests may be headed.8 pages; in IAU Symposium 201, New Cosmological Data and the Values of the Fundamental Parameters, Manchester, August 2000, eds. A. N. Lasenby, A. W. Jones and A. WilkinsonAstrophysicstext