Short answers, pulled from the story.
Tommaso di Ser Giovanni di Simone entered the world on the 21st of December 1401 in Castel San Giovanni di Altura. His father worked as a notary while his mother came from an innkeeping family in Barberino di Mugello.
The artist's surname Cassai derived from carpenters who made wooden chests called casse. This trade defined his grandfather and granduncle before him.
The San Giovenale Triptych emerged from obscurity in 1961 within a church near Cascia di Reggello. This painting now resides in the Masaccio Museum of Sacred Art despite heavy surface abrasion over centuries.
Felice Brancacci commissioned the duo precise e noto to execute frescoes inside Santa Maria del Carmine around 1425. The chapel remained unfinished due to unknown reasons until Filippino Lippi completed it decades later in the 1480s.
Giuliano di Colino degli Scarsi da San Giusto commissioned a major altarpiece on the 19th of February 1426 for eighty florins. This Pisa Altarpiece was dismantled and dispersed during the eighteenth century leaving only eleven panels rediscovered worldwide.
Masaccio died at age twenty-six during summer 1428 leaving behind few documented circumstances surrounding his passing. A legend claims he was poisoned by a jealous rival painter though no evidence supports this claim.