Altar of St. Jerome (autel de Saint Jerome; Hieronymus) .Decorated with a mosaic reproduction (1744) of the famous painting by Domenico Zampieri; known as Domenichino; of the 'Last communion of St. Jerome' (1614) now in the Vatican Picture Gallery.The artist painted the 90 year old Saint nude; almost dying; receiving the last Communion from St. Ephrem; with the help of the Roman matron St. Paula.Under the Altar of St. Jerome is the resting site for the body of Pope John XXIII (1958-1963)( Saint Peter's basilica; basilique Saint-Pierre; Petersdom. )Vatican 2019