Born, June 1, 1898, New York. (nee, Margaret Pyekoon.) Died, April 5, 1992, Lancaster, Pennsylvania. Mega-star of the Yiddish stage and movies. Her papers are held at the American Jewish Historical Society in the Center for Jewish History. An online finding aid gives a brief biographical sketch about her wildly successful career, spanning over 70 years in theater, stage and film. One of her most famous appearances in the Yiddish film Yidl Mitn Fidl(1937). The YIVO Archives also has holdings of Picon.
http://www.cjh.org/academic/findingaids/AJHS/nhprc/MollyPiconb.html