• Giovanni d'Alemagna and Antonio Vivarini ran an shop in Venice that specialized in multi-tiered, multi-paneled altarpieces and fanciful Gothic frames, which they subcontracted to various woodworkers.
• Giovanni in 1448 worked at Vivarini's workshop, which was moved to Padua, together with
Andrea Mantegna and Nicolò Pizolo, in the decoration of the Ovetari Chapel.