orologio en CB01 OFFICIAL. Mirele Efros, "the Jewish Queen Lear," was the masterpiece of Ukrainian-born Jacob Gordin, an enormously influential Yiddish playwright whose works sought to describe and promulgate the ethos of mentshlekhkeyt: the practice of honesty, decency, and devotion toward family and community. This sophisticated version of his stage classic faithfully recreates Jewish life in turn-of-the-century Grodno, Poland.