2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/8917Identifying the massive progenitor stars that give rise to core-collapse supernovae is one of the main pursuits of supernova and stellar evolution studies. In this talk I discuss some aspects of the pursuit of these progenitor stars in ground-based and Hubble Space Telescope images.6 pages, 4 figures, to appear in "1604-2004: Supernovae as Cosmological Lighthouses," eds. M. Turatto, W. Shea, S. Benetti and L. Zampieri, ASP Conference SeriesAstrophysicsSearching for Progenitors of Core-Collapse Supernovaetext