The Cattedrale di Santa Maria del Fiore (] ; in English "Cathedral of Saint Mary of the Flower") is the main church of Florence, Italy.
 Il Duomo di Firenze, as it is ordinarily called, was begun in 1296 in the Gothic style with the design of Arnolfo di Cambio and completed structurally in 1436 with the dome engineered by Filippo Brunelleschi.
 The exterior of the basilica is faced with polychrome marble panels in various shades of green and pink bordered by white and has an elaborate 19th-century Gothic Revival façade by Emilio De Fabris.
Bartolommeo Salvestrini (died Florence 1630) was an Italian painter of the Baroque period, active mostly in Florence.
 He was a pupil of Matteo Rosselli and Giovanni Bilivert in Florence.
 He painted a "Martyrdom of St Ursula" for church of Santa Orsula in Florence, as well a paintings for the church of Santa Teresa.
 He died of the plague in 1630.
 A drawing at Art Institute of Chicago is attributed to the painter
Gaddo Gaddi (c. 1239, Florence – c. 1312, Florence) was an Italian painter and mosaicist of Florence in a gothic art style.
 Almost no works survive.
 He was the father of Taddeo Gaddi.
 He completed mosaics on facade of Santa Maria Maggiore in Rome.
 The "Coronation of the Virgin" mosaic over the inside door of Florence Cathedral, dated 1307, is also attributed to Gaddo Gaddi.
Davide Ghirlandaio (1452–1525), also known as David Ghirlandaio and as Davide Bigordi, was an Italian painter and mosaicist, active in his native Florence.
Francesco d'Antonio or d'Antonio di Bartolomeo (born 1393, active until 1452) was an Italian painter of the Renaissance, mainly active in Florence.
 He is likely the same "Francesco Fiorentino" that Giorgio Vasari in his biographies states was a follower of Lorenzo Monaco.
 In 1429 Francesco joined the painters' guild in Florence.
 A triptych signed (circa 1415 - 1418) attributed to Francesco is found in the Fitzwilliam Museum, Cambridge.
 A painted depiction of the Virgin and Child with Six Angels and Two Cherubim (about 1440-50) on a gilded background found at the National Gallery, London.
Antonio Puglieschi (Florence, 1660 – Florence, 1732) was an Italian painter of the late Baroque period, active mainly in Florence.
 he trained initially with Pietro Dandini in Florence, but then went to work in Rome with Ciro Ferri.
 The church of San Giovannino degli Scolopi in Florence, which formerly had been a Jesuit church, has a canvas by Puglieschi of "St Ignatius of Loyola before the Virgin".
 He also has a canvas in San Frediano in Cestello.
 One of his pupils was Giuseppe Bottani.
Fabio Cristofari (died 1689) was an Italian Baroque painter and mosaicist active in Rome.
 He was a member of the Academy of Saint Luke by 1658, and became the leading mosaicist in St. Peter's Basilica during the 1670s and 1680s.
 His contributions to the Chapel of the Pietà, the Presentation Chapel, and the Chapel of the Crucifixion were after the designs of Ciro Ferri, Carlo Maratti, and Andrea Sacchi, respectively.
 His son, Pietro Paolo Cristofari was also responsible for many of the church's mosaic decorations.
The Coronation of the Virgin is a painting of the Coronation of the Virgin by the Italian early Renaissance painter Fra Angelico, executed around 1432.
 It is now in the Uffizi Gallery of Florence.
 The artist executed another "Coronation of the Virgin" (c. 1434-1435), now in the Louvre in Paris.
Giovanni Bonini or Giovani Bonini of Assisi (fl.
 1321) was an Italian painter and mosaicist of the 14th century; born in Assisi, and working in the sculptures and windows of the Cathedral of Orvieto in the 1320s.
Raffaello del Brescianino or Dei Piccinelli was an Italian painter of the Renaissance period, active in Siena.
 Together with his brother Andrea, they were known as the Brescianini of Siena.
 He was the son of a dancing-master at Siena, where he flourished from 1507 to 1525.
 He was the pupil of a Sienese painter, named Giovan Battista Giusi, and they together painted an altar-piece, representing the 'Virgin and Child, with Saints,' which is in the Siena Academy, and in 1524 the 'Baptism of Christ,' for the baptistery of the cathedral of the same city.
 In 1525 the brothers went to Florence, and in the same year Andrea, and probably Raffaello also, was registered in the Painters' Guild.
 The brothers appear to have worked under the influence of Fra Bartolommeo.
 Raffaello died at Florence in 1545.

Question: The "Coronation of the Virgin" mosaic over the inside door of the Florence, Italy Cathedral is attributed to which Italian painter and mosaicist?
Answer: Gaddo Gaddi