CALCO, GIACOMO. – Carmelite, originally from Lodi and professor at the University of Pavia. He went to Paris, where he defended the cause of Henry VIII, King of England; he was confined in the convent of Rouen, then, through the intervention of the King of France, he was released and went to England, where he was showered with honors by that king. However, at the General Chapter of his Order in 1532, he was degraded and condemned to imprisonment, and died of the plague in London on 19 August 1533.
He wrote: *De genealogia Christi*; *De purgatorii loco*; *De Primatu Romani Pontificis*; *De divortio Henrici VIII Anglorum regis*; and others.
BIBL.: Acta Capitulorum, Gen. O. Carm., I, Rome 1912, pp. 355-98; C. de Villiers, *Biblioth. Carm.*, I, 2nd ed., ibid. 1927, cols. 679-80; P. Etienne, s.V. in *DTHC*, II, cols. 1331-32.