2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93828A selective chronological survey of Darboux transformations as related to supersymmetric quantum mechanics, intertwining operators and inverse scattering techniques is presented. Short comments are appended to each quotation and basic concepts are explained in order to provide a useful primer17 pages, talk at Burgos Int. Workshop, Sept. 1998; v3 has misprints corrected and several other improvements with respect to v2Quantum Physicstext