Isobel Lennart was an American screenwriter and playwright. A native of Brooklyn, New York, Lennart moved to Hollywood, where she was hired to work in the MGM mail room, a job she lost when she attempted to organize a union. She joined the Communist Party in 1939 but left five years later. Wikipedia
The definitive Wikipedia entry for Isobel Lennart. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Isobel_Lennart