"Francesco Squarcione (c. 1395 – after 1468) was an Italian artist from Padua. His pupils included Andrea Mantegna (with whom he had many legal battles), Cosimo ...
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Tura and Carlo Crivelli. There are only two works signed by him: the Madonna and Child (now in Berlin) and the Lazara Altarpiece (now in Padua)." - (en.wikipedia.org 09.06.2021)