See the Illustrated work, Il Tabernacolo della Madonna d'Or sammichele, Firenze, 1851.
The weighty chapter in Alberti's Treatise on Painting, lib. iii. cap. 5, might be used to support this paragraph.
Quercia, born 1374; Ghiberti, 1378; Brunelleschi, 1379; Donatello, 1386.