Conversation so far:
Are there any interesting aspects about this article on Art Spiegelman?
Spiegelman's Maus has been widely written about in the popular press and academia—the quantity of its critical literature far outstrips that of any other work of comics.
Who are Art Spiegelman's parents?
Art Spiegelman's parents were Polish Jews Władysław and Andzia Spiegelman.
Did Art Spiegelman have any siblings?
In 1937, the Spiegelmans had one other son, Rysio, who died before Art was born.

Question: What started his career?
Self-contained rewrite: What started Art Spiegelman's career?