DELGADILLO, CRISTÓBAL. - Franciscan theologian, born in Madrid, died there on 27 Oct. 1671. He studied at the Franciscan college in Alcalá; after going to Italy, he served as custos of the general government and of the Roman province; he then returned to Spain, becoming guardian of the convent in Madrid and definitor general of the province of Castile. Synodal examiner in Toledo, under Philip IV he was appointed court preacher. When offered the bishopric of Tuy, he refused II. Besides his learning, he was esteemed for his piety and austerity of life.
His entire work is devoted to elucidating the thought of Duns Scotus. He wrote: *Secundum principium complutensem seu de Angelis* (Alcalá 1652); *Tractatus duo, alterum de Incarnatione, alterum de adoratione, in quibus legitima doctoris subtilis mens aperitur et propugnatur* (ibid. 1653); *De Sacramentis in genere et aliquibus in specie* (ibid. 1654); *De Poenitentia tractatus bipartitus, sc. quatenus virtus est et quatenus Sacramentum* (s. l. 1658); *De venerabili Eucharistiae sacramento* (Alcalá 1660); *De observantia silentii sanctimonialium clarissimum et aliis praeceptis* (ibid. 1662); *De assidua communione* (Madrid 1665).