Adoration of the Magi (Fra Angelico and Filippo Lippi) interest in both the subject and the form. The Magi had been the key Medici devotion for decades, apparently beginning with the papacy of Antipope John XXIII (1410–1415) when they had become the main bankers of the Papacy, or at least those parts John controlled. The Medici belonged to the "Compagnia de' Magi", a Florentine confraternity based at the San Marco complex just by the Medici Palace, both of which Cosimo de' Medici rebuilt a few years before the tondo was painted. An annual procession on the feast of the Epiphany on January 6 was organized by the confraternity, and
Adoration of the Magi (Leonardo) today was put there by Leonardo." As a part of his diagnostic survey on the "Adoration of the Magi", Seracini completed more than 2,400 detailed infrared photographic records of the painting's elaborate underdrawing, and scientific analyses. The new images revealed by the diagnostic techniques used by Seracini were initially made public in 2002 in an interview with "New York Times" reporter Melinda Henneberger. In 2005, nearing the end of his investigation, Seracini gave another interview, this time to "Guardian" reporter John Hooper. Seracini finally published his results in 2006: M. Seracini, "Diagnostic Investigations on the "Adoration of the Magi" by